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12159512975932 = 2273748197243521
BaseRepresentation
bin1011000011110001101101…
…1100111001101000111100
31121001102211100212212100221
42300330123130321220330
53043210140310212212
641510000402431124
72363332031644330
oct260743334715074
947042740785327
1012159512975932
113968903093633
1214447183624a4
136a2838a9868a
143007489577c0
1516146bc59807
hexb0f1b739a3c

12159512975932 has 48 divisors (see below), whose sum is σ = 24976917701568. Its totient is φ = 5070250045440.

The previous prime is 12159512975893. The next prime is 12159512975933. The reversal of 12159512975932 is 23957921595121.

It is a happy number.

It is a super-2 number, since 2×121595129759322 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12159512975933) 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, 49810332 + ... + 50053852.

It is an arithmetic number, because the mean of its divisors is an integer number (520352452116).

Almost surely, 212159512975932 is an apocalyptic number.

It is an amenable number.

12159512975932 is an abundant number, since it is smaller than the sum of its proper divisors (12817404725636).

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

12159512975932 is a wasteful number, since it uses less digits than its factorization.

12159512975932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291766 (or 291764 counting only the distinct ones).

The product of its digits is 15309000, while the sum is 61.

The spelling of 12159512975932 in words is "twelve trillion, one hundred fifty-nine billion, five hundred twelve million, nine hundred seventy-five thousand, nine hundred thirty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 48197 96394 192788 243521 337379 487042 674758 974084 1349516 1704647 1783289 3409294 3566578 6818588 7133156 9010277 12483023 18020554 24966046 36041108 49932092 63071939 126143878 252287756 11736981637 23473963274 46947926548 82158871459 164317742918 328635485836 434268320569 868536641138 1737073282276 3039878243983 6079756487966 12159512975932