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431379423664 = 2473851601997
BaseRepresentation
bin1100100011100000011…
…01111010000110110000
31112020110120111020220021
412101300031322012300
524031431113024124
6530101210053224
743110661413130
oct6216015720660
91466416436807
10431379423664
11156a46490892
126b73011a214
13318a9729357
1416c438c4ac0
15b34b6a07e4
hex647037a1b0

431379423664 has 20 divisors (see below), whose sum is σ = 955197295504. Its totient is φ = 184876895808.

The previous prime is 431379423661. The next prime is 431379423679. The reversal of 431379423664 is 466324973134.

It is not an unprimeable number, because it can be changed into a prime (431379423661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925800887 + ... + 1925801110.

Almost surely, 2431379423664 is an apocalyptic number.

It is an amenable number.

431379423664 is an abundant number, since it is smaller than the sum of its proper divisors (523817871840).

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

431379423664 is a wasteful number, since it uses less digits than its factorization.

431379423664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851602012 (or 3851602006 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 52.

The spelling of 431379423664 in words is "four hundred thirty-one billion, three hundred seventy-nine million, four hundred twenty-three thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 3851601997 7703203994 15406407988 26961213979 30812815976 53922427958 61625631952 107844855916 215689711832 431379423664