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13612022157 = 317326227403
BaseRepresentation
bin11001010110101011…
…01111100110001101
31022010122102101000210
430223111233212031
5210334134202112
610130412513033
7661214164536
oct145325574615
938118371023
1013612022157
1158556a4798
12277a77b779
13138c1196a6
14931b6168d
1554a046b3c
hex32b56f98d

13612022157 has 8 divisors (see below), whose sum is σ = 18254273184. Its totient is φ = 9022226288.

The previous prime is 13612022147. The next prime is 13612022191. The reversal of 13612022157 is 75122021631.

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 13612022157 - 28 = 13612021901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13612022147) 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, 13113183 + ... + 13114220.

It is an arithmetic number, because the mean of its divisors is an integer number (2281784148).

Almost surely, 213612022157 is an apocalyptic number.

It is an amenable number.

13612022157 is a deficient number, since it is larger than the sum of its proper divisors (4642251027).

13612022157 is a wasteful number, since it uses less digits than its factorization.

13612022157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26227579.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 13612022157 its reverse (75122021631), we get a palindrome (88734043788).

The spelling of 13612022157 in words is "thirteen billion, six hundred twelve million, twenty-two thousand, one hundred fifty-seven".

Divisors: 1 3 173 519 26227403 78682209 4537340719 13612022157