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10087254988721 = 174114472388793
BaseRepresentation
bin1001001011001001111101…
…0000000001011110110001
31022201022222010212221101022
42102302133100001132301
52310232144234114341
633242004310145225
72060531403455441
oct222623720013661
938638863787338
1010087254988721
113239a87515549
12116ab89352215
135822bb364571
1426c32363c121
151275d52e7e4b
hex92c9f4017b1

10087254988721 has 8 divisors (see below), whose sum is σ = 10941125928264. Its totient is φ = 9262328826880.

The previous prime is 10087254988693. The next prime is 10087254988787. The reversal of 10087254988721 is 12788945278001.

It can be written as a sum of positive squares in 4 ways, for example, as 22111690000 + 10065143298721 = 148700^2 + 3172561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10087254988721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10087254987721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7236193700 + ... + 7236195093.

It is an arithmetic number, because the mean of its divisors is an integer number (1367640741033).

Almost surely, 210087254988721 is an apocalyptic number.

It is an amenable number.

10087254988721 is a deficient number, since it is larger than the sum of its proper divisors (853870939543).

10087254988721 is a wasteful number, since it uses less digits than its factorization.

10087254988721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472388851.

The product of its (nonzero) digits is 18063360, while the sum is 62.

The spelling of 10087254988721 in words is "ten trillion, eighty-seven billion, two hundred fifty-four million, nine hundred eighty-eight thousand, seven hundred twenty-one".

Divisors: 1 17 41 697 14472388793 246030609481 593367940513 10087254988721