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10120717888 = 26296189393
BaseRepresentation
bin10010110110011110…
…11110011001000000
3222010022220201221021
421123033132121000
5131211400433023
64352134035224
7505541453101
oct113317363100
928108821837
1010120717888
114323977166
121b654a8b14
13c53a06088
146c01c83a8
153e37a635d
hex25b3de640

10120717888 has 56 divisors (see below), whose sum is σ = 21116650680. Its totient is φ = 4805713920.

The previous prime is 10120717879. The next prime is 10120717889. The reversal of 10120717888 is 88871702101.

10120717888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 95101504 + 10025616384 = 9752^2 + 100128^2 .

It is not an unprimeable number, because it can be changed into a prime (10120717889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68520 + ... + 157912.

Almost surely, 210120717888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10120717888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10558325340).

10120717888 is an abundant number, since it is smaller than the sum of its proper divisors (10995932792).

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

10120717888 is an equidigital number, since it uses as much as digits as its factorization.

10120717888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89495 (or 89485 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 43.

The spelling of 10120717888 in words is "ten billion, one hundred twenty million, seven hundred seventeen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 29 32 58 61 64 116 122 232 244 464 488 928 976 1769 1856 1952 3538 3904 7076 14152 28304 56608 89393 113216 178786 357572 715144 1430288 2592397 2860576 5184794 5452973 5721152 10369588 10905946 20739176 21811892 41478352 43623784 82956704 87247568 158136217 165913408 174495136 316272434 348990272 632544868 1265089736 2530179472 5060358944 10120717888