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70725110620 = 22510135012431
BaseRepresentation
bin100000111011110001…
…0111000101101011100
320202112221202212122111
41001313202320231130
52124321112014440
652253552323404
75052430343533
oct1016742705534
9222487685574
1070725110620
1127aa353244a
1211859843564
1368917393a8
1435cd04931a
151c8e0e34ea
hex10778b8b5c

70725110620 has 24 divisors (see below), whose sum is σ = 149993258688. Its totient is φ = 28009944000.

The previous prime is 70725110587. The next prime is 70725110633. The reversal of 70725110620 is 2601152707.

It is a super-2 number, since 2×707251106202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17504196 + ... + 17508235.

It is an arithmetic number, because the mean of its divisors is an integer number (6249719112).

Almost surely, 270725110620 is an apocalyptic number.

It is an amenable number.

70725110620 is an abundant number, since it is smaller than the sum of its proper divisors (79268148068).

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

70725110620 is a wasteful number, since it uses less digits than its factorization.

70725110620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35012541 (or 35012539 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 70725110620 in words is "seventy billion, seven hundred twenty-five million, one hundred ten thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 35012431 70024862 140049724 175062155 350124310 700248620 3536255531 7072511062 14145022124 17681277655 35362555310 70725110620