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6457668132 = 223618821951
BaseRepresentation
bin1100000001110100…
…00011001000100100
3121200001020112022210
412000322003020210
5101211130340012
62544442123420
7316012162536
oct60072031044
917601215283
106457668132
112814204713
1213027b0570
137bbb4bb06
14453905856
1527bddd23c
hex180e83224

6457668132 has 24 divisors (see below), whose sum is σ = 15314908672. Its totient is φ = 2117268000.

The previous prime is 6457668131. The next prime is 6457668137. The reversal of 6457668132 is 2318667546.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6457668131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410244 + ... + 4411707.

Almost surely, 26457668132 is an apocalyptic number.

It is an amenable number.

6457668132 is an abundant number, since it is smaller than the sum of its proper divisors (8857240540).

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

6457668132 is a wasteful number, since it uses less digits than its factorization.

6457668132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822019 (or 8822017 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 6457668132 is about 80359.6175451327. The cubic root of 6457668132 is about 1862.1953624658.

The spelling of 6457668132 in words is "six billion, four hundred fifty-seven million, six hundred sixty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 8821951 17643902 26465853 35287804 52931706 105863412 538139011 1076278022 1614417033 2152556044 3228834066 6457668132