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231427161625244 = 221325151637343381
BaseRepresentation
bin110100100111101101010101…
…110000101001001010011100
31010100102012221210201010201112
4310213231111300221022130
5220313200311334001434
62140112100443201152
766514026543455624
oct6447552560511234
91110365853633645
10231427161625244
1167815787497762
1221b581742161b8
139c19645624ca0
1441211c4a91884
151bb4e41836dce
hexd27b55c2929c

231427161625244 has 48 divisors (see below), whose sum is σ = 437898598746336. Its totient is φ = 106384618080000.

The previous prime is 231427161625243. The next prime is 231427161625277. The reversal of 231427161625244 is 442526161724132.

231427161625244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2314271616252442 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231427161625192 and 231427161625201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231427161625243) 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, 673794434 + ... + 674137814.

It is an arithmetic number, because the mean of its divisors is an integer number (9122887473882).

Almost surely, 2231427161625244 is an apocalyptic number.

It is an amenable number.

231427161625244 is a deficient number, since it is larger than the sum of its proper divisors (206471437121092).

231427161625244 is a wasteful number, since it uses less digits than its factorization.

231427161625244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395286 (or 395284 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The spelling of 231427161625244 in words is "two hundred thirty-one trillion, four hundred twenty-seven billion, one hundred sixty-one million, six hundred twenty-five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 251 502 1004 3263 6526 13052 51637 103274 206548 343381 671281 686762 1342562 1373524 2685124 4463953 8927906 12960887 17855812 25921774 51843548 86188631 168491531 172377262 336983062 344754524 673966124 1120452203 2240904406 4481808812 17731164697 35462329394 70924658788 230505141061 461010282122 922020564244 4450522338947 8901044677894 17802089355788 57856790406311 115713580812622 231427161625244