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131404042311020 = 225570111027104513
BaseRepresentation
bin11101111000001011100011…
…010000111001010101101100
3122020021002210122022202111122
4131320023203100321111230
5114210410434312423040
61143250103401240112
736451425444350033
oct3570134320712554
9566232718282448
10131404042311020
1138962161208626
12128a2b97a93038
13584246a7a616b
142463dbd5b371a
15102d1c253a1b5
hex7782e343956c

131404042311020 has 48 divisors (see below), whose sum is σ = 276024562597728. Its totient is φ = 52547128627200.

The previous prime is 131404042311011. The next prime is 131404042311083. The reversal of 131404042311020 is 20113240404131.

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, 1257246284 + ... + 1257350796.

It is an arithmetic number, because the mean of its divisors is an integer number (5750511720786).

Almost surely, 2131404042311020 is an apocalyptic number.

131404042311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404042311020 is an abundant number, since it is smaller than the sum of its proper divisors (144620520286708).

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

131404042311020 is a wasteful number, since it uses less digits than its factorization.

131404042311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121250 (or 121248 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131404042311020 its reverse (20113240404131), we get a palindrome (151517282715151).

The spelling of 131404042311020 in words is "one hundred thirty-one trillion, four hundred four billion, forty-two million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 5701 11027 11402 22054 22804 28505 44108 55135 57010 104513 110270 114020 209026 220540 418052 522565 1045130 2090260 62864927 125729854 251459708 314324635 595828613 628649270 1152464851 1191657226 1257298540 2304929702 2383314452 2979143065 4609859404 5762324255 5958286130 11524648510 11916572260 23049297020 6570202115551 13140404231102 26280808462204 32851010577755 65702021155510 131404042311020