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83117730875157 = 32118310115337821
BaseRepresentation
bin10010111001100001011010…
…110100101100011100010101
3101220021222101120112102110200
4102321201122310230130111
541343300103101001112
6452435431453211113
723336025566240466
oct2271413264543425
9356258346472420
1083117730875157
1124536039227950
1293a4933a90a99
13374bc78724754
141674cc36c0d6d
15992139d0ecdc
hex4b985ad2c715

83117730875157 has 24 divisors (see below), whose sum is σ = 132551386819488. Its totient is φ = 49767462074400.

The previous prime is 83117730875129. The next prime is 83117730875191. The reversal of 83117730875157 is 75157803771138.

83117730875157 is a `hidden beast` number, since 8 + 3 + 1 + 1 + 7 + 7 + 30 + 87 + 515 + 7 = 666.

It is not a de Polignac number, because 83117730875157 - 210 = 83117730874133 is a prime.

It is a super-5 number, since 5×831177308751575 (a number of 71 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83117730875094 and 83117730875103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117730875357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5057660694 + ... + 5057677127.

It is an arithmetic number, because the mean of its divisors is an integer number (5522974450812).

Almost surely, 283117730875157 is an apocalyptic number.

It is an amenable number.

83117730875157 is a deficient number, since it is larger than the sum of its proper divisors (49433655944331).

83117730875157 is a wasteful number, since it uses less digits than its factorization.

83117730875157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115337921 (or 10115337918 counting only the distinct ones).

The product of its (nonzero) digits is 34574400, while the sum is 63.

The spelling of 83117730875157 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred thirty million, eight hundred seventy-five thousand, one hundred fifty-seven".

Divisors: 1 3 9 11 33 83 99 249 747 913 2739 8217 10115337821 30346013463 91038040389 111268716031 333806148093 839573039143 1001418444279 2518719117429 7556157352287 9235303430573 27705910291719 83117730875157