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461157125331 = 371923293155897
BaseRepresentation
bin1101011010111110001…
…10110100110011010011
31122002022211111020021210
412231133012310303103
530023422211002311
6551504101351203
745213621613650
oct6553706646323
91562284436253
10461157125331
111686371a1891
1275460708503
1334643a2a876
141846a5c4c27
15bee0a183a6
hex6b5f1b4cd3

461157125331 has 128 divisors (see below), whose sum is σ = 824249548800. Its totient is φ = 223118945280.

The previous prime is 461157125281. The next prime is 461157125333. The reversal of 461157125331 is 133521751164.

It is not a de Polignac number, because 461157125331 - 27 = 461157125203 is a prime.

It is a super-2 number, since 2×4611571253312 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 461157125331.

It is not an unprimeable number, because it can be changed into a prime (461157125333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8222175 + ... + 8278071.

It is an arithmetic number, because the mean of its divisors is an integer number (6439449600).

Almost surely, 2461157125331 is an apocalyptic number.

461157125331 is a deficient number, since it is larger than the sum of its proper divisors (363092423469).

461157125331 is a wasteful number, since it uses less digits than its factorization.

461157125331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56009.

The product of its digits is 75600, while the sum is 39.

Adding to 461157125331 its reverse (133521751164), we get a palindrome (594678876495).

The spelling of 461157125331 in words is "four hundred sixty-one billion, one hundred fifty-seven million, one hundred twenty-five thousand, three hundred thirty-one".

Divisors: 1 3 7 19 21 23 29 31 57 69 87 93 133 161 203 217 399 437 483 551 589 609 651 667 713 899 1311 1653 1767 2001 2139 2697 3059 3857 4123 4669 4991 6293 9177 11571 12369 12673 13547 14007 14973 17081 18879 20677 38019 40641 51243 55897 62031 88711 94829 119567 144739 167691 266133 284487 358701 391279 392863 434217 1062043 1173837 1178589 1285631 1621013 1732807 2750041 3186129 3856893 4863039 5198421 7434301 8250123 8999417 11347091 12129649 22302903 24426989 26998251 30799247 32923333 34041273 36388947 37283299 39854561 50251403 73280967 92397741 98769999 111849897 119563683 150754209 170988923 215594729 230463331 260983093 278981927 351759821 512966769 646784187 691389993 708382681 757236659 782949279 836945781 954776657 1055279463 1155782269 2125148043 2271709977 2864329971 3467346807 4958678767 5300656613 6683436599 8090475883 14876036301 15901969839 20050309797 21959863111 24271427649 65879589333 153719041777 461157125331