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465631420500664 = 2311191109251116043
BaseRepresentation
bin110100111011111010100001…
…1011010100100101010111000
32021001122221002021211121222021
41221313311003122210222320
5442012401122122010124
64330152042130404224
7200035521446345365
oct15167650332445270
92231587067747867
10465631420500664
111254011a3982a80
12442825a4730674
1316ca7b1558b812
1482da97694346c
1538c721d93d7e4
hex1a77d436a4ab8

465631420500664 has 64 divisors (see below), whose sum is σ = 1003459711824000. Its totient is φ = 200330333665920.

The previous prime is 465631420500619. The next prime is 465631420500713. The reversal of 465631420500664 is 466005024136564.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123703774 + ... + 127412269.

It is an arithmetic number, because the mean of its divisors is an integer number (15679057997250).

Almost surely, 2465631420500664 is an apocalyptic number.

465631420500664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

465631420500664 is an abundant number, since it is smaller than the sum of its proper divisors (537828291323336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

465631420500664 is a wasteful number, since it uses less digits than its factorization.

465631420500664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251117188 (or 251117184 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 465631420500664 in words is "four hundred sixty-five trillion, six hundred thirty-one billion, four hundred twenty million, five hundred thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1109 1672 2218 4436 8872 12199 21071 24398 42142 48796 84284 97592 168568 231781 463562 927124 1854248 251116043 502232086 1004464172 2008928344 2762276473 4771204817 5524552946 9542409634 11049105892 19084819268 22098211784 38169638536 52483252987 104966505974 209933011948 278487691687 419866023896 556975383374 1113950766748 2227901533496 3063364608557 5291266142053 6126729217114 10582532284106 12253458434228 21165064568212 24506916868456 42330129136424 58203927562583 116407855125166 232815710250332 465631420500664