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156152691697138 = 2194903838115717
BaseRepresentation
bin100011100000010100100001…
…101110000010010111110010
3202110220001101120101020111221
4203200110201232002113302
5130431401203033302023
61312035320052055254
744614442161241413
oct4340244156022762
9673801346336457
10156152691697138
1145833a91630754
121561b53060452a
13691919c015656
142a7bb8b26b80a
15130bd5343b85d
hex8e0521b825f2

156152691697138 has 16 divisors (see below), whose sum is σ = 246607168864320. Its totient is φ = 73951978316976.

The previous prime is 156152691697129. The next prime is 156152691697147. The reversal of 156152691697138 is 831796196251651.

It is an interprime number because it is at equal distance from previous prime (156152691697129) and next prime (156152691697147).

It is a super-2 number, since 2×1561526916971382 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418871545 + ... + 419244172.

It is an arithmetic number, because the mean of its divisors is an integer number (15412948054020).

Almost surely, 2156152691697138 is an apocalyptic number.

156152691697138 is a deficient number, since it is larger than the sum of its proper divisors (90454477167182).

156152691697138 is a wasteful number, since it uses less digits than its factorization.

156152691697138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838120641.

The product of its digits is 146966400, while the sum is 70.

The spelling of 156152691697138 in words is "one hundred fifty-six trillion, one hundred fifty-two billion, six hundred ninety-one million, six hundred ninety-seven thousand, one hundred thirty-eight".

Divisors: 1 2 19 38 4903 9806 93157 186314 838115717 1676231434 15924198623 31848397246 4109281360451 8218562720902 78076345848569 156152691697138