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13125440154551 = 19179786222813
BaseRepresentation
bin1011111100000000000100…
…1100101010101110110111
31201110210001111021121212112
42333000001030222232313
53210021400134421201
643525424410241235
72523165433333604
oct277000114525667
951423044247775
1013125440154551
11420051687350a
12157b96b42621b
13742953c6193a
143353bba876ab
1517b65203a0bb
hexbf00132abb7

13125440154551 has 8 divisors (see below), whose sum is σ = 13210714669824. Its totient is φ = 13040338086880.

The previous prime is 13125440154527. The next prime is 13125440154571. The reversal of 13125440154551 is 15545104452131.

13125440154551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13125440154551 - 230 = 13124366412727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13125440154499 and 13125440154508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125440154571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42959180 + ... + 43263633.

It is an arithmetic number, because the mean of its divisors is an integer number (1651339333728).

Almost surely, 213125440154551 is an apocalyptic number.

13125440154551 is a deficient number, since it is larger than the sum of its proper divisors (85274515273).

13125440154551 is an equidigital number, since it uses as much as digits as its factorization.

13125440154551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86223801.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 13125440154551 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty million, one hundred fifty-four thousand, five hundred fifty-one".

Divisors: 1 191 797 152227 86222813 16468557283 68719581961 13125440154551