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70900021070620 = 22572917463059377
BaseRepresentation
bin10000000111101110110010…
…100100100000101100011100
3100022000222100101001100111021
4100013232302210200230130
533243111220343224440
6410443004154333524
720635233421351660
oct2007566244405434
9308028311040437
1070900021070620
1120655591597655
127b50a9572a2a4
133073ac695c621
1413718179748a0
1582e413cd584a
hex407bb2920b1c

70900021070620 has 48 divisors (see below), whose sum is σ = 176027638530240. Its totient is φ = 23470351801344.

The previous prime is 70900021070617. The next prime is 70900021070651. The reversal of 70900021070620 is 2607012000907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8731525629 + ... + 8731533748.

It is an arithmetic number, because the mean of its divisors is an integer number (3667242469380).

Almost surely, 270900021070620 is an apocalyptic number.

70900021070620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70900021070620 is an abundant number, since it is smaller than the sum of its proper divisors (105127617459620).

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

70900021070620 is a wasteful number, since it uses less digits than its factorization.

70900021070620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17463059422 (or 17463059420 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 70900021070620 in words is "seventy trillion, nine hundred billion, twenty-one million, seventy thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 17463059377 34926118754 69852237508 87315296885 122241415639 174630593770 244482831278 349261187540 488965662556 506428721933 611207078195 1012857443866 1222414156390 2025714887732 2444828312780 2532143609665 3545001053531 5064287219330 7090002107062 10128574438660 14180004214124 17725005267655 35450010535310 70900021070620