Search a number
-
+
157877535942 = 235746407271
BaseRepresentation
bin1001001100001000111…
…1000000010011000110
3120002111202102210200000
42103002033000103012
510041313122122232
6200310011302130
714256231625230
oct2230217002306
9502452383600
10157877535942
1160a56831535
1226720a4a946
1311b70614c29
1478d9a9b250
15419048927c
hex24c23c04c6

157877535942 has 48 divisors (see below), whose sum is σ = 405413928192. Its totient is φ = 45107866440.

The previous prime is 157877535941. The next prime is 157877535967. The reversal of 157877535942 is 249535778751.

It is a happy number.

157877535942 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 7 + 7 + 535 + 94 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 157877535942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157877535941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23200234 + ... + 23207037.

It is an arithmetic number, because the mean of its divisors is an integer number (8446123504).

Almost surely, 2157877535942 is an apocalyptic number.

157877535942 is an abundant number, since it is smaller than the sum of its proper divisors (247536392250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157877535942 is an equidigital number, since it uses as much as digits as its factorization.

157877535942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46407295 (or 46407283 counting only the distinct ones).

The product of its digits is 74088000, while the sum is 63.

The spelling of 157877535942 in words is "one hundred fifty-seven billion, eight hundred seventy-seven million, five hundred thirty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 1134 1701 3402 46407271 92814542 139221813 278443626 324850897 417665439 649701794 835330878 974552691 1252996317 1949105382 2505992634 2923658073 3758988951 5847316146 7517977902 8770974219 11276966853 17541948438 22553933706 26312922657 52625845314 78938767971 157877535942