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15045202253 = 73206098661
BaseRepresentation
bin11100000001100001…
…11001000101001101
31102211112012110112002
432000300321011031
5221303032433003
610524530522045
71041556052264
oct160060710515
942745173462
1015045202253
116420696154
122aba736325
13155a014753
14a2a22d5db
155d0c92a88
hex380c3914d

15045202253 has 4 divisors (see below), whose sum is σ = 15251300988. Its totient is φ = 14839103520.

The previous prime is 15045202241. The next prime is 15045202261. The reversal of 15045202253 is 35220254051.

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 7690939204 + 7354263049 = 87698^2 + 85757^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045202253 - 230 = 13971460429 is a prime.

It is a super-2 number, since 2×150452022532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045282253) 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, 103049258 + ... + 103049403.

It is an arithmetic number, because the mean of its divisors is an integer number (3812825247).

Almost surely, 215045202253 is an apocalyptic number.

It is an amenable number.

15045202253 is a deficient number, since it is larger than the sum of its proper divisors (206098735).

15045202253 is an equidigital number, since it uses as much as digits as its factorization.

15045202253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206098734.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 15045202253 in words is "fifteen billion, forty-five million, two hundred two thousand, two hundred fifty-three".

Divisors: 1 73 206098661 15045202253