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15625228118513 = 1313164901141371
BaseRepresentation
bin1110001101100000100000…
…1010111110100111110001
32001022202110000100122022112
43203120020022332213301
54022000431344243023
653122044122015105
73201612501414416
oct343301012764761
961282400318275
1015625228118513
114a84692a189a2
121904335347495
138945b6734260
143c039d52410d
151c16ac215478
hexe36082be9f1

15625228118513 has 16 divisors (see below), whose sum is σ = 16956001605312. Its totient is φ = 14312864280000.

The previous prime is 15625228118501. The next prime is 15625228118519. The reversal of 15625228118513 is 31581182252651.

15625228118513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15625228118513 - 214 = 15625228102129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15625228118519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110455718 + ... + 110597088.

It is an arithmetic number, because the mean of its divisors is an integer number (1059750100332).

Almost surely, 215625228118513 is an apocalyptic number.

15625228118513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15625228118513 is a deficient number, since it is larger than the sum of its proper divisors (1330773486799).

15625228118513 is a wasteful number, since it uses less digits than its factorization.

15625228118513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206416.

The product of its digits is 1152000, while the sum is 50.

The spelling of 15625228118513 in words is "fifteen trillion, six hundred twenty-five billion, two hundred twenty-eight million, one hundred eighteen thousand, five hundred thirteen".

Divisors: 1 13 131 1703 64901 141371 843713 1837823 8502031 18519601 110526403 240754813 9175119271 119276550523 1201940624501 15625228118513