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23142222222 = 237733175161
BaseRepresentation
bin10101100011011000…
…100100100110001110
32012201211011200210120
4111203120210212032
5334343402102342
614344214045410
71446325433430
oct254330444616
965654150716
1023142222222
1198a61aa099
12459a349866
13224a696b22
141197750650
15906a54aec
hex56362498e

23142222222 has 32 divisors (see below), whose sum is σ = 52904427264. Its totient is φ = 6611073600.

The previous prime is 23142222203. The next prime is 23142222223. The reversal of 23142222222 is 22222224132.

23142222222 is a modest number, since divided by 222222 gives 23142 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 23142222192 and 23142222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142222223) 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, 270322 + ... + 345482.

It is an arithmetic number, because the mean of its divisors is an integer number (1653263352).

Almost surely, 223142222222 is an apocalyptic number.

23142222222 is an abundant number, since it is smaller than the sum of its proper divisors (29762205042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142222222 is a wasteful number, since it uses less digits than its factorization.

23142222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82504.

The product of its digits is 3072, while the sum is 24.

Adding to 23142222222 its reverse (22222224132), we get a palindrome (45364446354).

The spelling of 23142222222 in words is "twenty-three billion, one hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 7331 14662 21993 43986 51317 75161 102634 150322 153951 225483 307902 450966 526127 1052254 1578381 3156762 551005291 1102010582 1653015873 3306031746 3857037037 7714074074 11571111111 23142222222