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23122000321121 = 1311178317191453
BaseRepresentation
bin1010100000111100000101…
…00111011001101001100001
310000212102220221212020022202
411100132002213121221201
511012312324040233441
6121102033355542545
74604336502631262
oct520360247315141
9100772827766282
1023122000321121
117404a92434789
12271524715aa55
13cb951a558560
1459d179dda969
152a16c9ea819b
hex1507829d9a61

23122000321121 has 16 divisors (see below), whose sum is σ = 24926034950544. Its totient is φ = 21321601830144.

The previous prime is 23122000321103. The next prime is 23122000321183. The reversal of 23122000321121 is 12112300022132.

It can be written as a sum of positive squares in 8 ways, for example, as 801204010000 + 22320796311121 = 895100^2 + 4724489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23122000321121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122000321093 and 23122000321102.

It is not an unprimeable number, because it can be changed into a prime (23122000321621) 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, 120675431 + ... + 120866883.

It is an arithmetic number, because the mean of its divisors is an integer number (1557877184409).

Almost surely, 223122000321121 is an apocalyptic number.

It is an amenable number.

23122000321121 is a deficient number, since it is larger than the sum of its proper divisors (1804034629423).

23122000321121 is a wasteful number, since it uses less digits than its factorization.

23122000321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200900.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23122000321121 its reverse (12112300022132), we get a palindrome (35234300343253).

The spelling of 23122000321121 in words is "twenty-three trillion, one hundred twenty-two billion, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 13 1117 8317 14521 108121 191453 2488889 9290089 120771157 213853001 1592314601 2780089013 20700089813 1778615409317 23122000321121