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421329464688 = 24311797972471
BaseRepresentation
bin1100010000110010011…
…00010110110101110000
31111021112011201102221110
412020121030112311300
523400340320332223
6521320040353320
742303636234156
oct6103114266560
91437464642843
10421329464688
11152759553970
12697a6475840
1330967599372
141656cc793d6
15ae5e224d93
hex6219316d70

421329464688 has 40 divisors (see below), whose sum is σ = 1187383038336. Its totient is φ = 127675595200.

The previous prime is 421329464683. The next prime is 421329464701. The reversal of 421329464688 is 886464923124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421329464683) 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 7 ways as a sum of consecutive naturals, for example, 398985708 + ... + 398986763.

Almost surely, 2421329464688 is an apocalyptic number.

421329464688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421329464688 is an abundant number, since it is smaller than the sum of its proper divisors (766053573648).

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

421329464688 is a wasteful number, since it uses less digits than its factorization.

421329464688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797972493 (or 797972487 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 421329464688 in words is "four hundred twenty-one billion, three hundred twenty-nine million, four hundred sixty-four thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 797972471 1595944942 2393917413 3191889884 4787834826 6383779768 8777697181 9575669652 12767559536 17555394362 19151339304 26333091543 35110788724 38302678608 52666183086 70221577448 105332366172 140443154896 210664732344 421329464688