Search a number
-
+
10120202011220 = 2257174252185719
BaseRepresentation
bin1001001101000100101100…
…0010111100001001010100
31022211111000021112002121212
42103101023002330021110
52311302133203324340
633305053455200552
72063106016521560
oct223211302741124
938744007462555
1010120202011220
113251a54225164
121175443216158
1358543c152452
1426db6b21c6a0
151283b29eda65
hex9344b0bc254

10120202011220 has 48 divisors (see below), whose sum is σ = 25717219234560. Its totient is φ = 3265678631424.

The previous prime is 10120202011217. The next prime is 10120202011229. The reversal of 10120202011220 is 2211020202101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10120202011195 and 10120202011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120202011229) 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, 2126090480 + ... + 2126095239.

It is an arithmetic number, because the mean of its divisors is an integer number (535775400720).

Almost surely, 210120202011220 is an apocalyptic number.

10120202011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120202011220 is an abundant number, since it is smaller than the sum of its proper divisors (15597017223340).

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

10120202011220 is a wasteful number, since it uses less digits than its factorization.

10120202011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252185752 (or 4252185750 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10120202011220 its reverse (2211020202101), we get a palindrome (12331222213321).

The spelling of 10120202011220 in words is "ten trillion, one hundred twenty billion, two hundred two million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 4252185719 8504371438 17008742876 21260928595 29765300033 42521857190 59530600066 72287157223 85043714380 119061200132 144574314446 148826500165 289148628892 297653000330 361435786115 506010100561 595306000660 722871572230 1012020201122 1445743144460 2024040402244 2530050502805 5060101005610 10120202011220