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122010133120 = 2751012338101
BaseRepresentation
bin111000110100001011…
…1101110001010000000
3102122221002120221202021
41301220113232022000
53444334043224440
6132014540331224
711546345006551
oct1615027561200
9378832527667
10122010133120
11478205a2967
121b790b43b14
13b67579ba55
145c962bc328
1532916ba84a
hex1c685ee280

122010133120 has 128 divisors (see below), whose sum is σ = 295869160080. Its totient is φ = 48107520000.

The previous prime is 122010133103. The next prime is 122010133123. The reversal of 122010133120 is 21331010221.

It can be written as a sum of positive squares in 8 ways, for example, as 108388442176 + 13621690944 = 329224^2 + 116712^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 122010133094 and 122010133103.

It is not an unprimeable number, because it can be changed into a prime (122010133123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15057070 + ... + 15065170.

Almost surely, 2122010133120 is an apocalyptic number.

122010133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122010133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147934580040).

122010133120 is an abundant number, since it is smaller than the sum of its proper divisors (173859026960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122010133120 is a wasteful number, since it uses less digits than its factorization.

122010133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8442 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 122010133120 its reverse (21331010221), we get a palindrome (143341143341).

The spelling of 122010133120 in words is "one hundred twenty-two billion, ten million, one hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 101 128 160 202 233 320 404 466 505 640 808 932 1010 1165 1616 1864 2020 2330 3232 3728 4040 4660 6464 7456 8080 8101 9320 12928 14912 16160 16202 18640 23533 29824 32320 32404 37280 40505 47066 64640 64808 74560 81010 94132 117665 129616 149120 162020 188264 235330 259232 324040 376528 470660 518464 648080 753056 818201 941320 1036928 1296160 1506112 1636402 1882640 1887533 2592320 3012224 3272804 3765280 3775066 4091005 5184640 6545608 7530560 7550132 8182010 9437665 13091216 15061120 15100264 16364020 18875330 26182432 30200528 32728040 37750660 52364864 60401056 65456080 75501320 104729728 120802112 130912160 151002640 190640833 241604224 261824320 302005280 381281666 523648640 604010560 762563332 953204165 1208021120 1525126664 1906408330 3050253328 3812816660 6100506656 7625633320 12201013312 15251266640 24402026624 30502533280 61005066560 122010133120