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64326105372 = 223149191188359
BaseRepresentation
bin111011111010001000…
…100111100100011100
320011000222220201200010
4323322020213210130
52023214440332442
645315003403220
74435026605544
oct737210474434
9204028821603
1064326105372
112530a456061
1210572823510
1360b1ab9a59
143183254324
151a17441b9c
hexefa22791c

64326105372 has 48 divisors (see below), whose sum is σ = 151893504000. Its totient is φ = 21186507840.

The previous prime is 64326105323. The next prime is 64326105413. The reversal of 64326105372 is 27350162346.

It is a super-3 number, since 3×643261053723 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64326105372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247329 + ... + 435687.

It is an arithmetic number, because the mean of its divisors is an integer number (3164448000).

Almost surely, 264326105372 is an apocalyptic number.

It is an amenable number.

64326105372 is an abundant number, since it is smaller than the sum of its proper divisors (87567398628).

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

64326105372 is a wasteful number, since it uses less digits than its factorization.

64326105372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188706 (or 188704 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 64326105372 in words is "sixty-four billion, three hundred twenty-six million, one hundred five thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 149 191 298 382 447 573 596 764 894 1146 1788 2292 28459 56918 85377 113836 170754 188359 341508 376718 565077 753436 1130154 2260308 28065491 35976569 56130982 71953138 84196473 107929707 112261964 143906276 168392946 215859414 336785892 431718828 5360508781 10721017562 16081526343 21442035124 32163052686 64326105372