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12157225017308 = 2271446673001283
BaseRepresentation
bin1011000011101001001100…
…0101000001111111011100
31121001012220220200112011122
42300322103011001333130
53043140444101023213
641504541351510112
72363221240424120
oct260722305017734
947035826615148
1012157225017308
113967939647438
12144419a088338
136a2562a7b2c7
143005acb41580
15161385e65d08
hexb0e93141fdc

12157225017308 has 24 divisors (see below), whose sum is σ = 24314626207872. Its totient is φ = 5210201541744.

The previous prime is 12157225017293. The next prime is 12157225017389. The reversal of 12157225017308 is 80371052275121.

It is a happy number.

12157225017308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 2550035 + ... + 5551317.

It is an arithmetic number, because the mean of its divisors is an integer number (1013109425328).

Almost surely, 212157225017308 is an apocalyptic number.

It is an amenable number.

12157225017308 is an abundant number, since it is smaller than the sum of its proper divisors (12157401190564).

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

12157225017308 is a wasteful number, since it uses less digits than its factorization.

12157225017308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145961 (or 3145959 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 12157225017308 in words is "twelve trillion, one hundred fifty-seven billion, two hundred twenty-five million, seventeen thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 144667 289334 578668 1012669 2025338 3001283 4050676 6002566 12005132 21008981 42017962 84035924 434186607761 868373215522 1736746431044 3039306254327 6078612508654 12157225017308