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10388373681020 = 2253116755441421
BaseRepresentation
bin1001011100101011101101…
…0100101011001101111100
31100210010012121211102110112
42113022323110223031330
52330200342130243040
634032204124525152
72121351404225516
oct227127324531574
940703177742415
1010388373681020
113345759133935
1211b94053b07b8
135a4808b89c7a
1427cb2b186bb6
1513035acd1365
hex972bb52b37c

10388373681020 has 24 divisors (see below), whose sum is σ = 22519313271168. Its totient is φ = 4021305940800.

The previous prime is 10388373681001. The next prime is 10388373681067. The reversal of 10388373681020 is 2018637388301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10388373681020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8377720091 + ... + 8377721330.

It is an arithmetic number, because the mean of its divisors is an integer number (938304719632).

Almost surely, 210388373681020 is an apocalyptic number.

10388373681020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10388373681020 is an abundant number, since it is smaller than the sum of its proper divisors (12130939590148).

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

10388373681020 is a wasteful number, since it uses less digits than its factorization.

10388373681020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755441461 (or 16755441459 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 10388373681020 in words is "ten trillion, three hundred eighty-eight billion, three hundred seventy-three million, six hundred eighty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 16755441421 33510882842 67021765684 83777207105 167554414210 335108828420 519418684051 1038837368102 2077674736204 2597093420255 5194186840510 10388373681020