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157159370331819 = 341940239139899
BaseRepresentation
bin100011101110111110000100…
…011100010001011010101011
3202121110021210201211110110000
4203232332010130101122223
5131044344342301104234
61314130003520554043
745050250463403532
oct4356760434213253
9677407721743400
10157159370331819
1146091a07463739
1215762657182923
1369900acb4861b
142ab47a8699319
15132812118c899
hex8eef847116ab

157159370331819 has 10 divisors (see below), whose sum is σ = 234768935927900. Its totient is φ = 104772913554492.

The previous prime is 157159370331811. The next prime is 157159370331829. The reversal of 157159370331819 is 918133073951751.

157159370331819 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 59 + 370 + 33 + 181 + 9 = 666.

It is not a de Polignac number, because 157159370331819 - 23 = 157159370331811 is a prime.

It is a super-2 number, since 2×1571593703318192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157159370331811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 970119569869 + ... + 970119570030.

It is an arithmetic number, because the mean of its divisors is an integer number (23476893592790).

Almost surely, 2157159370331819 is an apocalyptic number.

157159370331819 is a deficient number, since it is larger than the sum of its proper divisors (77609565596081).

157159370331819 is an equidigital number, since it uses as much as digits as its factorization.

157159370331819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940239139911 (or 1940239139902 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 63.

The spelling of 157159370331819 in words is "one hundred fifty-seven trillion, one hundred fifty-nine billion, three hundred seventy million, three hundred thirty-one thousand, eight hundred nineteen".

Divisors: 1 3 9 27 81 1940239139899 5820717419697 17462152259091 52386456777273 157159370331819