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8970253159 = 72183066391
BaseRepresentation
bin10000101101010101…
…10011001101100111
3212011011010002000111
420112222303031213
5121332341100114
64042035353451
7435201615400
oct102652631547
925134102014
108970253159
113893523a6a
1218a4152887
13acc56660a
146114b09a7
153777a2bc4
hex216ab3367

8970253159 has 6 divisors (see below), whose sum is σ = 10434784344. Its totient is φ = 7688788380.

The previous prime is 8970253141. The next prime is 8970253163. The reversal of 8970253159 is 9513520798.

It is not a de Polignac number, because 8970253159 - 229 = 8433382247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 183066391 = 8970253159 / (8 + 9 + 7 + 0 + 2 + 5 + 3 + 1 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970253139) 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, 91533147 + ... + 91533244.

It is an arithmetic number, because the mean of its divisors is an integer number (1739130724).

Almost surely, 28970253159 is an apocalyptic number.

8970253159 is a deficient number, since it is larger than the sum of its proper divisors (1464531185).

8970253159 is a wasteful number, since it uses less digits than its factorization.

8970253159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183066405 (or 183066398 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 8970253159 is about 94711.4204254165. The cubic root of 8970253159 is about 2077.7895927162.

The spelling of 8970253159 in words is "eight billion, nine hundred seventy million, two hundred fifty-three thousand, one hundred fifty-nine".

Divisors: 1 7 49 183066391 1281464737 8970253159