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672442457934 = 231317507121009
BaseRepresentation
bin10011100100100001011…
…00011001111101001110
32101021200200010012202210
421302100230121331032
542004130232123214
61232525451331250
766403515404202
oct11622054317516
92337620105683
10672442457934
1123a1aa267445
12aa3a7750b26
134b546108030
142479140cb02
1512759adeb59
hex9c90b19f4e

672442457934 has 32 divisors (see below), whose sum is σ = 1533533934240. Its totient is φ = 194734467072.

The previous prime is 672442457903. The next prime is 672442458041. The reversal of 672442457934 is 439754244276.

672442457934 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 253559179 + ... + 253561830.

It is an arithmetic number, because the mean of its divisors is an integer number (47922935445).

Almost surely, 2672442457934 is an apocalyptic number.

672442457934 is an abundant number, since it is smaller than the sum of its proper divisors (861091476306).

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

672442457934 is a wasteful number, since it uses less digits than its factorization.

672442457934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507121044.

The product of its digits is 40642560, while the sum is 57.

The spelling of 672442457934 in words is "six hundred seventy-two billion, four hundred forty-two million, four hundred fifty-seven thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 507121009 1014242018 1521363027 3042726054 6592573117 8621057153 13185146234 17242114306 19777719351 25863171459 39555438702 51726342918 112073742989 224147485978 336221228967 672442457934