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70521130411 = 419717732243
BaseRepresentation
bin100000110101101100…
…0110000110110101011
320202000201221121101221
41001223120300312223
52123411402133121
652221424322511
75044402501204
oct1015330606653
9222021847357
1070521130411
11279a9381066
1211801473437
13685b3ba544
1435add0c5ab
151c7b24eb41
hex106b630dab

70521130411 has 8 divisors (see below), whose sum is σ = 72985916304. Its totient is φ = 68091809280.

The previous prime is 70521130399. The next prime is 70521130469. The reversal of 70521130411 is 11403112507.

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

It is a cyclic number.

It is not a de Polignac number, because 70521130411 - 233 = 61931195819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70521133411) 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, 8862145 + ... + 8870098.

It is an arithmetic number, because the mean of its divisors is an integer number (9123239538).

Almost surely, 270521130411 is an apocalyptic number.

70521130411 is a deficient number, since it is larger than the sum of its proper divisors (2464785893).

70521130411 is a wasteful number, since it uses less digits than its factorization.

70521130411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17732381.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 70521130411 its reverse (11403112507), we get a palindrome (81924242918).

The spelling of 70521130411 in words is "seventy billion, five hundred twenty-one million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 41 97 3977 17732243 727021963 1720027571 70521130411