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8070520740 = 2235134508679
BaseRepresentation
bin1111000010000101…
…00101111110100100
3202211110002221011120
413201002211332210
5113012023130430
63412455133540
7403665202662
oct74102457644
922743087146
108070520740
113471664757
1216929742b0
139b8034979
14567bc3c32
153237ca610
hex1e10a5fa4

8070520740 has 24 divisors (see below), whose sum is σ = 22597458240. Its totient is φ = 2152138848.

The previous prime is 8070520739. The next prime is 8070520741. The reversal of 8070520740 is 470250708.

It is an interprime number because it is at equal distance from previous prime (8070520739) and next prime (8070520741).

It is not an unprimeable number, because it can be changed into a prime (8070520741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67254280 + ... + 67254399.

It is an arithmetic number, because the mean of its divisors is an integer number (941560760).

Almost surely, 28070520740 is an apocalyptic number.

It is an amenable number.

8070520740 is an abundant number, since it is smaller than the sum of its proper divisors (14526937500).

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

8070520740 is a wasteful number, since it uses less digits than its factorization.

8070520740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134508691 (or 134508689 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 8070520740 is about 89836.0770514831. The cubic root of 8070520740 is about 2005.8595444376.

The spelling of 8070520740 in words is "eight billion, seventy million, five hundred twenty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 134508679 269017358 403526037 538034716 672543395 807052074 1345086790 1614104148 2017630185 2690173580 4035260370 8070520740