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10105515677 = 109569162937
BaseRepresentation
bin10010110100101010…
…11110111010011101
3222002021022101102102
421122111132322131
5131144003000202
64350432134445
7505265315555
oct113225367235
928067271372
1010105515677
114316333554
121b60397425
13c5081269a
146bc18c165
153e22a1d02
hex25a55ee9d

10105515677 has 8 divisors (see below), whose sum is σ = 10216212600. Its totient is φ = 9995145984.

The previous prime is 10105515659. The next prime is 10105515689. The reversal of 10105515677 is 77651550101.

It can be written as a sum of positive squares in 4 ways, for example, as 192127321 + 9913388356 = 13861^2 + 99566^2 .

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-10105515677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10105515677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105515577) 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, 19448 + ... + 143489.

It is an arithmetic number, because the mean of its divisors is an integer number (1277026575).

Almost surely, 210105515677 is an apocalyptic number.

It is an amenable number.

10105515677 is a deficient number, since it is larger than the sum of its proper divisors (110696923).

10105515677 is a wasteful number, since it uses less digits than its factorization.

10105515677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163615.

The product of its (nonzero) digits is 36750, while the sum is 38.

The spelling of 10105515677 in words is "ten billion, one hundred five million, five hundred fifteen thousand, six hundred seventy-seven".

Divisors: 1 109 569 62021 162937 17760133 92711153 10105515677