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131312304135152 = 2471387984475199
BaseRepresentation
bin11101110110110110000111…
…001111100001101111110000
3122012221100000020202120100022
4131312312013033201233300
5114202410044324311102
61143140012325543012
736442000210621250
oct3566660717415760
9565840006676308
10131312304135152
113892726541a258
1212889254b74a68
13583690a82c16a
14245d7998d3960
15102ab037b85a2
hex776d873e1bf0

131312304135152 has 40 divisors (see below), whose sum is σ = 290783912448000. Its totient is φ = 56272646296512.

The previous prime is 131312304135121. The next prime is 131312304135163. The reversal of 131312304135152 is 251531403213131.

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, 40683152 + ... + 43792047.

It is an arithmetic number, because the mean of its divisors is an integer number (7269597811200).

Almost surely, 2131312304135152 is an apocalyptic number.

It is an amenable number.

131312304135152 is an abundant number, since it is smaller than the sum of its proper divisors (159471608312848).

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

131312304135152 is a wasteful number, since it uses less digits than its factorization.

131312304135152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84489093 (or 84489087 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 131312304135152 its reverse (251531403213131), we get a palindrome (382843707348283).

The spelling of 131312304135152 in words is "one hundred thirty-one trillion, three hundred twelve billion, three hundred four million, one hundred thirty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 13879 27758 55516 97153 111032 194306 222064 388612 777224 1554448 84475199 168950398 337900796 591326393 675801592 1182652786 1351603184 2365305572 4730611144 9461222288 1172431286921 2344862573842 4689725147684 8207019008447 9379450295368 16414038016894 18758900590736 32828076033788 65656152067576 131312304135152