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70725223008 = 25331123323549
BaseRepresentation
bin100000111011110001…
…1010100001001100000
320202112221222120211000
41001313203110021200
52124321124114013
652253554552000
75052431322306
oct1016743241140
9222487876730
1070725223008
1127aa35a9930
1211859898600
1368917785ab
1435cd078276
151c8e116973
hex10778d4260

70725223008 has 192 divisors, whose sum is σ = 234819648000. Its totient is φ = 20500001280.

The previous prime is 70725222959. The next prime is 70725223039. The reversal of 70725223008 is 80032252707.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56818 + ... + 380366.

It is an arithmetic number, because the mean of its divisors is an integer number (1223019000).

Almost surely, 270725223008 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 70725223008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117409824000).

70725223008 is an abundant number, since it is smaller than the sum of its proper divisors (164094424992).

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

70725223008 is a wasteful number, since it uses less digits than its factorization.

70725223008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323602 (or 323588 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 70725223008 in words is "seventy billion, seven hundred twenty-five million, two hundred twenty-three thousand, eight".