Search a number
-
+
12131571753156 = 2231756875754349
BaseRepresentation
bin1011000010001001101000…
…0001100110000011000100
31120221202201002112200102010
42300202122001212003010
53042230424332100111
641445100033214220
72361322441322412
oct260423201460304
946852632480363
1012131571753156
113957a74a92389
12143b21aa01370
136a00050ba16b
142dd257b082b2
15160883c53aa6
hexb089a0660c4

12131571753156 has 24 divisors (see below), whose sum is σ = 28307166798400. Its totient is φ = 4043833530912.

The previous prime is 12131571753109. The next prime is 12131571753209. The reversal of 12131571753156 is 65135717513121.

It is a happy number.

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, 768931 + ... + 4985418.

Almost surely, 212131571753156 is an apocalyptic number.

It is an amenable number.

12131571753156 is an abundant number, since it is smaller than the sum of its proper divisors (16175595045244).

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

12131571753156 is a wasteful number, since it uses less digits than its factorization.

12131571753156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930043 (or 5930041 counting only the distinct ones).

The product of its digits is 661500, while the sum is 48.

The spelling of 12131571753156 in words is "twelve trillion, one hundred thirty-one billion, five hundred seventy-one million, seven hundred fifty-three thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 175687 351374 527061 702748 1054122 2108244 5754349 11508698 17263047 23017396 34526094 69052188 1010964312763 2021928625526 3032892938289 4043857251052 6065785876578 12131571753156