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10104515521 = 22034586707
BaseRepresentation
bin10010110100100011…
…01010101111000001
3222002012102120110121
421122101222233001
5131143223444041
64350354500241
7505253651632
oct113221525701
928065376417
1010104515521
114315810081
121b5bb94681
13c50552389
146bbdab889
153e21557d1
hex25a46abc1

10104515521 has 4 divisors (see below), whose sum is σ = 10109104432. Its totient is φ = 10099926612.

The previous prime is 10104515513. The next prime is 10104515543. The reversal of 10104515521 is 12551540101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10104515521 - 23 = 10104515513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10104515581) 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, 2291151 + ... + 2295556.

It is an arithmetic number, because the mean of its divisors is an integer number (2527276108).

Almost surely, 210104515521 is an apocalyptic number.

It is an amenable number.

10104515521 is a deficient number, since it is larger than the sum of its proper divisors (4588911).

10104515521 is an equidigital number, since it uses as much as digits as its factorization.

10104515521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588910.

The product of its (nonzero) digits is 1000, while the sum is 25.

It can be divided in two parts, 10104 and 515521, that added together give a square (525625 = 7252).

The spelling of 10104515521 in words is "ten billion, one hundred four million, five hundred fifteen thousand, five hundred twenty-one".

Divisors: 1 2203 4586707 10104515521