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131421301004504 = 23717314939085981
BaseRepresentation
bin11101111000011011100111…
…111101100101100011011000
3122020022202100102121020011102
4131320123213331211203120
5114211201311024121004
61143302040123050532
736452606232001460
oct3570334775454330
9566282312536142
10131421301004504
11389695082a8475
12128a63b3970a48
135843c8b263c24
142464b79792ba0
15102d8827b211e
hex7786e7f658d8

131421301004504 has 64 divisors (see below), whose sum is σ = 283434664415040. Its totient is φ = 55960332756480.

The previous prime is 131421301004381. The next prime is 131421301004533. The reversal of 131421301004504 is 405400103124131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9921194 + ... + 19007174.

It is an arithmetic number, because the mean of its divisors is an integer number (4428666631485).

Almost surely, 2131421301004504 is an apocalyptic number.

131421301004504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131421301004504 is an abundant number, since it is smaller than the sum of its proper divisors (152013363410536).

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

131421301004504 is a wasteful number, since it uses less digits than its factorization.

131421301004504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087660 (or 9087656 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 131421301004504 its reverse (405400103124131), we get a palindrome (536821404128635).

The spelling of 131421301004504 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, three hundred one million, four thousand, five hundred four".

Divisors: 1 2 4 7 8 14 28 56 173 346 692 1211 1384 1493 2422 2986 4844 5972 9688 10451 11944 20902 41804 83608 258289 516578 1033156 1808023 2066312 3616046 7232092 9085981 14464184 18171962 36343924 63601867 72687848 127203734 254407468 508814936 1571874713 3143749426 6287498852 11003122991 12574997704 13565369633 22006245982 27130739266 44012491964 54261478532 88024983928 94957587431 108522957064 189915174862 379830349724 759660699448 2346808946509 4693617893018 9387235786036 16427662625563 18774471572072 32855325251126 65710650502252 131421301004504