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23130044124025 = 5217895411130317
BaseRepresentation
bin1010100001001011000100…
…00100000100101101111001
310000220012200112200202111211
411100211202010010231321
511012430312243432100
6121105443502323121
74605043025055556
oct520454204045571
9100805615622454
1023130044124025
11740843a9aa983
122716910b894a1
13cba1ccb97147
1459d700427a2d
152a19eb2571ba
hex150962104b79

23130044124025 has 48 divisors (see below), whose sum is σ = 30766396918320. Its totient is φ = 17188037222400.

The previous prime is 23130044124007. The next prime is 23130044124029. The reversal of 23130044124025 is 52042144003132.

It can be written as a sum of positive squares in 24 ways, for example, as 9440606518249 + 13689437605776 = 3072557^2 + 3699924^2 .

It is not a de Polignac number, because 23130044124025 - 213 = 23130044115833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23130044124029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19898167 + ... + 21028483.

It is an arithmetic number, because the mean of its divisors is an integer number (640966602465).

Almost surely, 223130044124025 is an apocalyptic number.

23130044124025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23130044124025 is a deficient number, since it is larger than the sum of its proper divisors (7636352794295).

23130044124025 is a wasteful number, since it uses less digits than its factorization.

23130044124025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130974 (or 1130969 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 23130044124025 its reverse (52042144003132), we get a palindrome (75172188127157).

The spelling of 23130044124025 in words is "twenty-three trillion, one hundred thirty billion, forty-four million, one hundred twenty-four thousand, twenty-five".

Divisors: 1 5 17 25 85 89 425 445 541 1513 2225 2705 7565 9197 13525 37825 45985 48149 229925 240745 818533 1130317 1203725 4092665 5651585 19215389 20463325 28257925 96076945 100598213 480384725 502991065 611501497 1710169621 2514955325 3057507485 8550848105 10395525449 15287537425 42754240525 51977627245 54423633233 259888136225 272118166165 925201764961 1360590830825 4626008824805 23130044124025