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10211230320 = 243579538567
BaseRepresentation
bin10011000001010001…
…10000001001110000
3222100122020020122120
421200220300021300
5131403033332240
64405130034240
7511021011534
oct114050601160
928318206576
1010211230320
11436aa78525
121b8b878980
13c696a7325
146cc229bc4
153eb6d4ad0
hex260a30270

10211230320 has 80 divisors (see below), whose sum is σ = 32055567360. Its totient is φ = 2688521472.

The previous prime is 10211230243. The next prime is 10211230321. The reversal of 10211230320 is 2303211201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10211230320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250324 + ... + 288243.

It is an arithmetic number, because the mean of its divisors is an integer number (400694592).

Almost surely, 210211230320 is an apocalyptic number.

10211230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211230320 is an abundant number, since it is smaller than the sum of its proper divisors (21844337040).

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

10211230320 is a wasteful number, since it uses less digits than its factorization.

10211230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538662 (or 538656 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10211230320 its reverse (2303211201), we get a palindrome (12514441521).

The spelling of 10211230320 in words is "ten billion, two hundred eleven million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 79 80 120 158 237 240 316 395 474 632 790 948 1185 1264 1580 1896 2370 3160 3792 4740 6320 9480 18960 538567 1077134 1615701 2154268 2692835 3231402 4308536 5385670 6462804 8078505 8617072 10771340 12925608 16157010 21542680 25851216 32314020 42546793 43085360 64628040 85093586 127640379 129256080 170187172 212733965 255280758 340374344 425467930 510561516 638201895 680748688 850935860 1021123032 1276403790 1701871720 2042246064 2552807580 3403743440 5105615160 10211230320