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10768600421 = 29371331049
BaseRepresentation
bin10100000011101101…
…11100110101100101
31000210111000120200122
422001312330311211
5134023230203141
64540320251325
7530566410335
oct120166746545
930714016618
1010768600421
114626659977
122106470b45
131027cc8317
147422770c5
154305d164b
hex281dbcd65

10768600421 has 4 divisors (see below), whose sum is σ = 11139931500. Its totient is φ = 10397269344.

The previous prime is 10768600397. The next prime is 10768600439. The reversal of 10768600421 is 12400686701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2016997921 + 8751602500 = 44911^2 + 93550^2 .

It is a cyclic number.

It is not a de Polignac number, because 10768600421 - 26 = 10768600357 is a prime.

It is a super-2 number, since 2×107686004212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10768600471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185665496 + ... + 185665553.

It is an arithmetic number, because the mean of its divisors is an integer number (2784982875).

Almost surely, 210768600421 is an apocalyptic number.

It is an amenable number.

10768600421 is a deficient number, since it is larger than the sum of its proper divisors (371331079).

10768600421 is an equidigital number, since it uses as much as digits as its factorization.

10768600421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371331078.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 10768600421 in words is "ten billion, seven hundred sixty-eight million, six hundred thousand, four hundred twenty-one".

Divisors: 1 29 371331049 10768600421