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64625495203374 = 23747113289719877
BaseRepresentation
bin11101011000110110010111…
…01011110101111000101110
322110211010200212122210112020
432230123023223311320232
531432311003233001444
6345240313113251010
716420016005436550
oct1654331353657056
9273733625583466
1064625495203374
1119656578293986
1272b8a2b703a66
132a0a209303681
1411d5c67d6b4d0
157710cdcba119
hex3ac6cbaf5e2e

64625495203374 has 64 divisors (see below), whose sum is σ = 152193328551936. Its totient is φ = 17911641613824.

The previous prime is 64625495203369. The next prime is 64625495203387. The reversal of 64625495203374 is 47330259452646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144636877 + ... + 145083000.

It is an arithmetic number, because the mean of its divisors is an integer number (2378020758624).

Almost surely, 264625495203374 is an apocalyptic number.

64625495203374 is an abundant number, since it is smaller than the sum of its proper divisors (87567833348562).

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

64625495203374 is a wasteful number, since it uses less digits than its factorization.

64625495203374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289720049.

The product of its (nonzero) digits is 130636800, while the sum is 60.

The spelling of 64625495203374 in words is "sixty-four trillion, six hundred twenty-five billion, four hundred ninety-five million, two hundred three thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 47 94 113 141 226 282 329 339 658 678 791 987 1582 1974 2373 4746 5311 10622 15933 31866 37177 74354 111531 223062 289719877 579439754 869159631 1738319262 2028039139 4056078278 6084117417 12168234834 13616834219 27233668438 32738346101 40850502657 65476692202 81701005314 95317839533 98215038303 190635679066 196430076606 229168422707 285953518599 458336845414 571907037198 687505268121 1375010536242 1538702266747 3077404533494 4616106800241 9232213600482 10770915867229 21541831734458 32312747601687 64625495203374