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131757951122 = 2723729912
BaseRepresentation
bin111101010110101100…
…0101100100010010010
3110121002102211102012122
41322231120230202102
54124320013413442
6140310114054242
712343041051200
oct1725530544222
9417072742178
10131757951122
1150972a238a6
122165157a382
13c56a1615b5
14653cb58070
153662362dd2
hex1ead62c892

131757951122 has 54 divisors (see below), whose sum is σ = 236524414581. Its totient is φ = 54886098960.

The previous prime is 131757951103. The next prime is 131757951151. The reversal of 131757951122 is 221159757131.

It can be written as a sum of positive squares in 2 ways, for example, as 106301429521 + 25456521601 = 326039^2 + 159551^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=256669.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 132954047 + ... + 132955037.

Almost surely, 2131757951122 is an apocalyptic number.

131757951122 is a deficient number, since it is larger than the sum of its proper divisors (104766463459).

131757951122 is an frugal number, since it uses more digits than its factorization.

131757951122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 1037 counting only the distinct ones).

The product of its digits is 132300, while the sum is 44.

The spelling of 131757951122 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, nine hundred fifty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 37 49 74 98 259 518 991 1369 1813 1982 2738 3626 6937 9583 13874 19166 36667 48559 67081 73334 97118 134162 256669 513338 982081 1356679 1796683 1964162 2713358 3593366 6874567 9496753 13749134 18993506 36336997 48121969 66477271 72673994 96243938 132954542 254358979 508717958 1344468889 1780512853 2688937778 3561025706 9411282223 18822564446 65878975561 131757951122