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23122204242220 = 2251156110212111
BaseRepresentation
bin1010100000111100011101…
…10001010011000100101100
310000212110110011120111111001
411100132032301103010230
511012313233241222340
6121102105522410044
74604344530136366
oct520361661230454
9100773404514431
1023122204242220
117405087555716
1227152a3500924
13cb9550886525
1459d19911dd36
152a16dcd3929a
hex15078ec5312c

23122204242220 has 12 divisors (see below), whose sum is σ = 48556628908704. Its totient is φ = 9248881696880.

The previous prime is 23122204242187. The next prime is 23122204242233. The reversal of 23122204242220 is 2224240222132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578055106036 + ... + 578055106075.

It is an arithmetic number, because the mean of its divisors is an integer number (4046385742392).

Almost surely, 223122204242220 is an apocalyptic number.

23122204242220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23122204242220 is an abundant number, since it is smaller than the sum of its proper divisors (25434424666484).

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

23122204242220 is a wasteful number, since it uses less digits than its factorization.

23122204242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156110212120 (or 1156110212118 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23122204242220 its reverse (2224240222132), we get a palindrome (25346444464352).

The spelling of 23122204242220 in words is "twenty-three trillion, one hundred twenty-two billion, two hundred four million, two hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1156110212111 2312220424222 4624440848444 5780551060555 11561102121110 23122204242220