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64460944704 = 2631383311153
BaseRepresentation
bin111100000010001010…
…111111010101000000
320011101101122021110110
4330002022333111000
52024004000212304
645340221431320
74441254663252
oct740212772500
9204341567413
1064460944704
1125379582922
12105aba0b540
136103a0b140
143197113cd2
151a241c9289
hexf022bf540

64460944704 has 112 divisors (see below), whose sum is σ = 185885888832. Its totient is φ = 19595108352.

The previous prime is 64460944697. The next prime is 64460944711. The reversal of 64460944704 is 40744906446.

It is an interprime number because it is at equal distance from previous prime (64460944697) and next prime (64460944711).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 51592 + ... + 362744.

It is an arithmetic number, because the mean of its divisors is an integer number (1659695436).

Almost surely, 264460944704 is an apocalyptic number.

64460944704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64460944704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92942944416).

64460944704 is an abundant number, since it is smaller than the sum of its proper divisors (121424944128).

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

64460944704 is a wasteful number, since it uses less digits than its factorization.

64460944704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311264 (or 311254 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 64460944704 in words is "sixty-four billion, four hundred sixty million, nine hundred forty-four thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 83 96 104 156 166 192 208 249 312 332 416 498 624 664 832 996 1079 1248 1328 1992 2158 2496 2656 3237 3984 4316 5312 6474 7968 8632 12948 15936 17264 25896 34528 51792 69056 103584 207168 311153 622306 933459 1244612 1866918 2489224 3733836 4044989 4978448 7467672 8089978 9956896 12134967 14935344 16179956 19913792 24269934 25825699 29870688 32359912 48539868 51651398 59741376 64719824 77477097 97079736 103302796 129439648 154954194 194159472 206605592 258879296 309908388 335734087 388318944 413211184 619816776 671468174 776637888 826422368 1007202261 1239633552 1342936348 1652844736 2014404522 2479267104 2685872696 4028809044 4958534208 5371745392 8057618088 10743490784 16115236176 21486981568 32230472352 64460944704