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464634452881 = 472145032
BaseRepresentation
bin1101100001011100101…
…11110001101110010001
31122102022011200202221001
412300232113301232101
530103032404443011
6553241120502001
745366034454104
oct6605627615621
91572264622831
10464634452881
1116a061043505
127607117a901
1334a79289531
14186ba36073b
15c145e477c1
hex6c2e5f1b91

464634452881 has 9 divisors (see below), whose sum is σ = 474763364841. Its totient is φ = 454717257972.

The previous prime is 464634452879. The next prime is 464634452957. The reversal of 464634452881 is 188254436464.

The square root of 464634452881 is 681641.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 464634452881 - 21 = 464634452879 is a prime.

It is a super-2 number, since 2×4646344528812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464634450881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32029876 + ... + 32044378.

Almost surely, 2464634452881 is an apocalyptic number.

464634452881 is the 681641-st square number.

464634452881 is the 340821-st centered octagonal number.

It is an amenable number.

464634452881 is a deficient number, since it is larger than the sum of its proper divisors (10128911960).

464634452881 is an frugal number, since it uses more digits than its factorization.

464634452881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29100 (or 14550 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 55.

The spelling of 464634452881 in words is "four hundred sixty-four billion, six hundred thirty-four million, four hundred fifty-two thousand, eight hundred eighty-one".

Divisors: 1 47 2209 14503 681641 32037127 210337009 9885839423 464634452881