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64514152134 = 235619214451
BaseRepresentation
bin111100000101010101…
…111101011011000110
320011112002202111100000
4330011111331123012
52024111110332014
645345402102130
74442502150045
oct740525753306
9204462674300
1064514152134
11253a6614403
12106057aa946
136111a4a423
1431a020455c
151a28bd9509
hexf0557d6c6

64514152134 has 48 divisors (see below), whose sum is σ = 145192582080. Its totient is φ = 21469876200.

The previous prime is 64514152099. The next prime is 64514152139. The reversal of 64514152134 is 43125141546.

64514152134 is a `hidden beast` number, since 6 + 4 + 514 + 1 + 5 + 2 + 134 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64514152139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193609 + ... + 408059.

It is an arithmetic number, because the mean of its divisors is an integer number (3024845460).

Almost surely, 264514152134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64514152134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72596291040).

64514152134 is an abundant number, since it is smaller than the sum of its proper divisors (80678429946).

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

64514152134 is a wasteful number, since it uses less digits than its factorization.

64514152134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215087 (or 215075 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 64514152134 in words is "sixty-four billion, five hundred fourteen million, one hundred fifty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 619 1238 1857 3714 5571 11142 16713 33426 50139 100278 150417 214451 300834 428902 643353 1286706 1930059 3860118 5790177 11580354 17370531 34741062 52111593 104223186 132745169 265490338 398235507 796471014 1194706521 2389413042 3584119563 7168239126 10752358689 21504717378 32257076067 64514152134