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70507707085 = 537381122741
BaseRepresentation
bin100000110101010010…
…1100011101011001101
320201222210200122001201
41001222211203223031
52123344433111320
652220224505501
75044150423144
oct1015245435315
9221883618051
1070507707085
11279a1842a02
12117b8a7b291
13685869a74a
1435ac21675b
151c79e9c70a
hex106a963acd

70507707085 has 8 divisors (see below), whose sum is σ = 86895985176. Its totient is φ = 54881674560.

The previous prime is 70507707071. The next prime is 70507707187. The reversal of 70507707085 is 58070770507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11764005444 + 58743701641 = 108462^2 + 242371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70507707085 - 29 = 70507706573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190561186 + ... + 190561555.

It is an arithmetic number, because the mean of its divisors is an integer number (10861998147).

Almost surely, 270507707085 is an apocalyptic number.

It is an amenable number.

70507707085 is a deficient number, since it is larger than the sum of its proper divisors (16388278091).

70507707085 is a wasteful number, since it uses less digits than its factorization.

70507707085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381122783.

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 70507707085 in words is "seventy billion, five hundred seven million, seven hundred seven thousand, eighty-five".

Divisors: 1 5 37 185 381122741 1905613705 14101541417 70507707085