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131420252240251 = 1354718481261741
BaseRepresentation
bin11101111000011010101001…
…011100110111100101111011
3122020022122122100011111001221
4131320122221130313211323
5114211142134033142001
61143301344100252511
736452541235440652
oct3570325134674573
9566278570144057
10131420252240251
113896901a2a8357
12128a61606a1137
135843b51bb1c70
142464aba390199
15102d82069c1a1
hex7786a973797b

131420252240251 has 8 divisors (see below), whose sum is σ = 141788240084624. Its totient is φ = 121089226920480.

The previous prime is 131420252240239. The next prime is 131420252240261. The reversal of 131420252240251 is 152042252024131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131420252240251 - 229 = 131419715369339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131420252240261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9240623760 + ... + 9240637981.

It is an arithmetic number, because the mean of its divisors is an integer number (17723530010578).

Almost surely, 2131420252240251 is an apocalyptic number.

131420252240251 is a deficient number, since it is larger than the sum of its proper divisors (10367987844373).

131420252240251 is a wasteful number, since it uses less digits than its factorization.

131420252240251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18481262301.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 131420252240251 in words is "one hundred thirty-one trillion, four hundred twenty billion, two hundred fifty-two million, two hundred forty thousand, two hundred fifty-one".

Divisors: 1 13 547 7111 18481261741 240256402633 10109250172327 131420252240251