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12522015520227 = 3319123119828909
BaseRepresentation
bin1011011000111000001001…
…0010010111010111100011
31122100002111210101010021000
42312032002102113113203
53120130041433121402
642344311242203043
72431454134511133
oct266160222272743
948302453333230
1012522015520227
113a98614349514
1214a2a257b3483
136caa899649b5
143140d6a62ac3
1516aad66eac1c
hexb63824975e3

12522015520227 has 32 divisors (see below), whose sum is σ = 19543373696000. Its totient is φ = 7902216416160.

The previous prime is 12522015520193. The next prime is 12522015520243. The reversal of 12522015520227 is 72202551022521.

12522015520227 is a `hidden beast` number, since 12 + 52 + 20 + 1 + 552 + 0 + 2 + 27 = 666.

12522015520227 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 12522015520227 - 26 = 12522015520163 is a prime.

It is a super-2 number, since 2×125220155202272 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12522015520191 and 12522015520200.

It is not an unprimeable number, because it can be changed into a prime (12522015520247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9282952 + ... + 10545957.

It is an arithmetic number, because the mean of its divisors is an integer number (610730428000).

Almost surely, 212522015520227 is an apocalyptic number.

12522015520227 is a deficient number, since it is larger than the sum of its proper divisors (7021358175773).

12522015520227 is a wasteful number, since it uses less digits than its factorization.

12522015520227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19830168 (or 19830162 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

Adding to 12522015520227 its reverse (72202551022521), we get a palindrome (84724566542748).

The spelling of 12522015520227 in words is "twelve trillion, five hundred twenty-two billion, fifteen million, five hundred twenty thousand, two hundred twenty-seven".

Divisors: 1 3 9 19 27 57 171 513 1231 3693 11079 23389 33237 70167 210501 631503 19828909 59486727 178460181 376749271 535380543 1130247813 3390743439 10172230317 24409386979 73228160937 219684482811 463778352601 659053448433 1391335057803 4174005173409 12522015520227