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68976373863936 = 2937211101981761
BaseRepresentation
bin11111010111011110100000…
…10000110001011000000000
3100001020002002002110021112010
433223233100100301120000
533020102103202121221
6402411150402532520
720346243563031600
oct1753572020613000
9301202062407463
1068976373863936
111aa83796921550
1278a0100067140
132c645a0a320c6
14130668d702c00
157e9378edcc76
hex3ebbd0431600

68976373863936 has 480 divisors, whose sum is σ = 233422870158720. Its totient is φ = 17898140467200.

The previous prime is 68976373863923. The next prime is 68976373863997. The reversal of 68976373863936 is 63936837367986.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 843593296 + ... + 843675056.

It is an arithmetic number, because the mean of its divisors is an integer number (486297646164).

Almost surely, 268976373863936 is an apocalyptic number.

68976373863936 is a gapful number since it is divisible by the number (66) 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 68976373863936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116711435079360).

68976373863936 is an abundant number, since it is smaller than the sum of its proper divisors (164446496294784).

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

68976373863936 is a wasteful number, since it uses less digits than its factorization.

68976373863936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82826 (or 82803 counting only the distinct ones).

The product of its digits is 26665583616, while the sum is 84.

The spelling of 68976373863936 in words is "sixty-eight trillion, nine hundred seventy-six billion, three hundred seventy-three million, eight hundred sixty-three thousand, nine hundred thirty-six".