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70150276661 = 79788017913
BaseRepresentation
bin100000101010101001…
…0000100011000110101
320201001220010021200212
41001111102010120311
52122131432323121
652120535515205
75032250341013
oct1012522043065
9221056107625
1070150276661
1127829003163
1211719228b05
1367cc61245a
1435769738b3
151c588e725b
hex1055484635

70150276661 has 4 divisors (see below), whose sum is σ = 70238295372. Its totient is φ = 70062257952.

The previous prime is 70150276657. The next prime is 70150276663. The reversal of 70150276661 is 16667205107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55194454225 + 14955822436 = 234935^2 + 122294^2 .

It is a cyclic number.

It is not a de Polignac number, because 70150276661 - 22 = 70150276657 is a prime.

It is a super-2 number, since 2×701502766612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70150276663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44008160 + ... + 44009753.

It is an arithmetic number, because the mean of its divisors is an integer number (17559573843).

Almost surely, 270150276661 is an apocalyptic number.

It is an amenable number.

70150276661 is a deficient number, since it is larger than the sum of its proper divisors (88018711).

70150276661 is an equidigital number, since it uses as much as digits as its factorization.

70150276661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88018710.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 70150276661 in words is "seventy billion, one hundred fifty million, two hundred seventy-six thousand, six hundred sixty-one".

Divisors: 1 797 88017913 70150276661