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23351523212425 = 522573634478321
BaseRepresentation
bin1010100111100111100110…
…01111101111110010001001
310001200101100210200012002211
411103303303033233302021
511030042404420244200
6121355313000025121
74630043341210552
oct523636317576211
9101611323605084
1023351523212425
117493364098101
122751821a621a1
131005068140b85
145aa31100d329
152a7660210aba
hex153cf33efc89

23351523212425 has 12 divisors (see below), whose sum is σ = 29068557619356. Its totient is φ = 18608528998400.

The previous prime is 23351523212399. The next prime is 23351523212531. The reversal of 23351523212425 is 52421232515332.

It can be written as a sum of positive squares in 6 ways, for example, as 3426985868944 + 19924537343481 = 1851212^2 + 4463691^2 .

It is not a de Polignac number, because 23351523212425 - 211 = 23351523210377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1817232736 + ... + 1817245585.

It is an arithmetic number, because the mean of its divisors is an integer number (2422379801613).

Almost surely, 223351523212425 is an apocalyptic number.

23351523212425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23351523212425 is a deficient number, since it is larger than the sum of its proper divisors (5717034406931).

23351523212425 is a wasteful number, since it uses less digits than its factorization.

23351523212425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634478588 (or 3634478583 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 23351523212425 its reverse (52421232515332), we get a palindrome (75772755727757).

The spelling of 23351523212425 in words is "twenty-three trillion, three hundred fifty-one billion, five hundred twenty-three million, two hundred twelve thousand, four hundred twenty-five".

Divisors: 1 5 25 257 1285 6425 3634478321 18172391605 90861958025 934060928497 4670304642485 23351523212425