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8070942061 = 713432062597
BaseRepresentation
bin1111000010001000…
…01100110101101101
3202211110220100010001
413201010030311231
5113012130121221
63412512144301
7404001606220
oct74104146555
922743810101
108070942061
113471922256
121692b38091
139b8151680
14567c935b7
15323860391
hex1e110cd6d

8070942061 has 16 divisors (see below), whose sum is σ = 10164482944. Its totient is φ = 6237290304.

The previous prime is 8070942059. The next prime is 8070942073. The reversal of 8070942061 is 1602490708.

It is not a de Polignac number, because 8070942061 - 21 = 8070942059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8070942061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070942001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027386 + ... + 1035211.

It is an arithmetic number, because the mean of its divisors is an integer number (635280184).

Almost surely, 28070942061 is an apocalyptic number.

It is an amenable number.

8070942061 is a deficient number, since it is larger than the sum of its proper divisors (2093540883).

8070942061 is a wasteful number, since it uses less digits than its factorization.

8070942061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062660.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8070942061 is about 89838.4219641018. The cubic root of 8070942061 is about 2005.8944490850.

It can be divided in two parts, 8070 and 942061, that added together give a triangular number (950131 = T1378).

The spelling of 8070942061 in words is "eight billion, seventy million, nine hundred forty-two thousand, sixty-one".

Divisors: 1 7 13 43 91 301 559 3913 2062597 14438179 26813761 88691671 187696327 620841697 1152991723 8070942061