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64104036061624 = 231319319423164429
BaseRepresentation
bin11101001001101011000100…
…10011000101000110111000
322101222021201111021201211221
432210311202103011012320
531400240031212432444
6344200553154201424
716334235526036546
oct1644654223050670
9271867644251757
1064104036061624
1119475407193699
12723395bb83274
13299cca53c30b0
1411b891ab56d96
1576275e292a84
hex3a4d624c51b8

64104036061624 has 64 divisors (see below), whose sum is σ = 130119010156800. Its totient is φ = 29431485997056.

The previous prime is 64104036061619. The next prime is 64104036061649. The reversal of 64104036061624 is 42616063040146.

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, 389776242 + ... + 389940670.

It is an arithmetic number, because the mean of its divisors is an integer number (2033109533700).

Almost surely, 264104036061624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64104036061624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65059505078400).

64104036061624 is an abundant number, since it is smaller than the sum of its proper divisors (66014974095176).

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

64104036061624 is a wasteful number, since it uses less digits than its factorization.

64104036061624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184064 (or 184060 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 64104036061624 in words is "sixty-four trillion, one hundred four billion, thirty-six million, sixty-one thousand, six hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 193 386 772 1544 2509 5018 10036 19423 20072 38846 77692 155384 164429 252499 328858 504998 657716 1009996 1315432 2019992 2137577 3748639 4275154 7497278 8550308 14994556 17100616 29989112 31734797 48732307 63469594 97464614 126939188 194929228 253878376 389858456 412552361 825104722 1650209444 3193704467 3300418888 6387408934 12774817868 25549635736 41518158071 83036316142 166072632284 332145264568 616384962131 1232769924262 2465539848524 4931079697048 8013004507703 16026009015406 32052018030812 64104036061624