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70624062221 = 891037704163
BaseRepresentation
bin100000111000110000…
…1011010101100001101
320202021220122002022012
41001301201122230031
52124114224442341
652235542431005
75050062424016
oct1016141325415
9222256562265
1070624062221
1127a51495279
121182ba32465
13687681963b
1435bd86400d
151c852d30eb
hex107185ab0d

70624062221 has 8 divisors (see below), whose sum is σ = 72110975040. Its totient is φ = 69152558112.

The previous prime is 70624062199. The next prime is 70624062247. The reversal of 70624062221 is 12226042607.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70624062221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70624062521) 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, 3842915 + ... + 3861248.

It is an arithmetic number, because the mean of its divisors is an integer number (9013871880).

Almost surely, 270624062221 is an apocalyptic number.

It is an amenable number.

70624062221 is a deficient number, since it is larger than the sum of its proper divisors (1486912819).

70624062221 is a wasteful number, since it uses less digits than its factorization.

70624062221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704355.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 70624062221 in words is "seventy billion, six hundred twenty-four million, sixty-two thousand, two hundred twenty-one".

Divisors: 1 89 103 9167 7704163 685670507 793528789 70624062221