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68024309048 = 23172191548541
BaseRepresentation
bin111111010110100100…
…001001010100111000
320111120201201221101122
4333112210021110320
52103303210342143
651125553004412
74625464041503
oct772644112470
9214521657348
1068024309048
1126937a49233
1211225253708
136551031b57
14341448813a
151b81e50c68
hexfd6909538

68024309048 has 48 divisors (see below), whose sum is σ = 142620718200. Its totient is φ = 30326607360.

The previous prime is 68024309033. The next prime is 68024309051. The reversal of 68024309048 is 84090342086.

68024309048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730343 + ... + 818198.

Almost surely, 268024309048 is an apocalyptic number.

68024309048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68024309048 is an abundant number, since it is smaller than the sum of its proper divisors (74596409152).

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

68024309048 is a wasteful number, since it uses less digits than its factorization.

68024309048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548600 (or 1548579 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 68024309048 in words is "sixty-eight billion, twenty-four million, three hundred nine thousand, forty-eight".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 289 323 578 646 1156 1292 2312 2584 5491 10982 21964 43928 1548541 3097082 6194164 12388328 26325197 29422279 52650394 58844558 105300788 117689116 210601576 235378232 447528349 500178743 895056698 1000357486 1790113396 2000714972 3580226792 4001429944 8503038631 17006077262 34012154524 68024309048