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157033135492171 = 1997199428166703
BaseRepresentation
bin100011101101001000100000…
…010000100100110001001011
3202121000012222012201011211121
4203231020200100210301023
5131040312330141222141
61313552005422140111
745035161326102211
oct4355104020446113
9677005865634747
10157033135492171
114604341915a284
12157420a7421637
136981213030433
142aac631292cb1
151324bd3b621d1
hex8ed220424c4b

157033135492171 has 16 divisors (see below), whose sum is σ = 167841347968000. Its totient is φ = 146494668089088.

The previous prime is 157033135492159. The next prime is 157033135492193. The reversal of 157033135492171 is 171294531330751.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157033135492171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157033235492171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213716595 + ... + 214450108.

It is an arithmetic number, because the mean of its divisors is an integer number (10490084248000).

Almost surely, 2157033135492171 is an apocalyptic number.

157033135492171 is a deficient number, since it is larger than the sum of its proper divisors (10808212475829).

157033135492171 is a wasteful number, since it uses less digits than its factorization.

157033135492171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428167018.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The spelling of 157033135492171 in words is "one hundred fifty-seven trillion, thirty-three billion, one hundred thirty-five million, four hundred ninety-two thousand, one hundred seventy-one".

Divisors: 1 19 97 199 1843 3781 19303 366757 428166703 8135167357 41532170191 85205173897 789111233629 1618898304043 8264901868009 157033135492171