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89370820629 = 329930091181
BaseRepresentation
bin101001100111011101…
…0101000000000010101
322112200101222002021200
41103032322220000111
52431012412230004
6105020102503113
76312456304236
oct1231672500025
9275611862250
1089370820629
11349a1553342
12153a2134a99
13857367b0ac
14447b51b08d
1524d0ee8239
hex14ceea8015

89370820629 has 6 divisors (see below), whose sum is σ = 129091185366. Its totient is φ = 59580547080.

The previous prime is 89370820621. The next prime is 89370820639. The reversal of 89370820629 is 92602807398.

It is a happy number.

89370820629 is a `hidden beast` number, since 8 + 9 + 3 + 7 + 0 + 8 + 2 + 0 + 629 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86672537604 + 2698283025 = 294402^2 + 51945^2 .

It is not a de Polignac number, because 89370820629 - 23 = 89370820621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89370820621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4965045582 + ... + 4965045599.

It is an arithmetic number, because the mean of its divisors is an integer number (21515197561).

Almost surely, 289370820629 is an apocalyptic number.

It is an amenable number.

89370820629 is a deficient number, since it is larger than the sum of its proper divisors (39720364737).

89370820629 is a wasteful number, since it uses less digits than its factorization.

89370820629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930091187 (or 9930091184 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 89370820629 in words is "eighty-nine billion, three hundred seventy million, eight hundred twenty thousand, six hundred twenty-nine".

Divisors: 1 3 9 9930091181 29790273543 89370820629