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70708239168 = 2637197383457
BaseRepresentation
bin100000111011010001…
…0100001101101000000
320202111210000201100220
41001312202201231000
52124302302123133
652252150543040
75052134054610
oct1016642415500
9222453021326
1070708239168
1127a94a596a6
1211854067a80
13688b0acc98
1435caad6a40
151c8c8ae5b3
hex10768a1b40

70708239168 has 448 divisors, whose sum is σ = 231398307840. Its totient is φ = 18608652288.

The previous prime is 70708239163. The next prime is 70708239169. The reversal of 70708239168 is 86193280707.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 70708239168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70708239163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154722396 + ... + 154722852.

It is an arithmetic number, because the mean of its divisors is an integer number (516514080).

Almost surely, 270708239168 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 70708239168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115699153920).

70708239168 is an abundant number, since it is smaller than the sum of its proper divisors (160690068672).

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

70708239168 is a wasteful number, since it uses less digits than its factorization.

70708239168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 70708239168 in words is "seventy billion, seven hundred eight million, two hundred thirty-nine thousand, one hundred sixty-eight".