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1318485061458 = 233107228190561
BaseRepresentation
bin10011001011111011110…
…101010110111101010010
311200001020111020212111000
4103023323311112331102
5133100224133431313
62445411554402430
7164154201052005
oct23137365267522
94601214225430
101318485061458
11469191498494
12193645b90416
139744297c426
1447b5a59d53c
152446bb95673
hex132fbd56f52

1318485061458 has 32 divisors (see below), whose sum is σ = 2957349683520. Its totient is φ = 435387588480.

The previous prime is 1318485061441. The next prime is 1318485061483. The reversal of 1318485061458 is 8541605848131.

1318485061458 is a `hidden beast` number, since 1 + 3 + 1 + 84 + 8 + 50 + 61 + 458 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 114089503 + ... + 114101058.

It is an arithmetic number, because the mean of its divisors is an integer number (92417177610).

Almost surely, 21318485061458 is an apocalyptic number.

1318485061458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1318485061458 is an abundant number, since it is smaller than the sum of its proper divisors (1638864622062).

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

1318485061458 is a wasteful number, since it uses less digits than its factorization.

1318485061458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228190679 (or 228190673 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 1318485061458 in words is "one trillion, three hundred eighteen billion, four hundred eighty-five million, sixty-one thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 107 214 321 642 963 1926 2889 5778 228190561 456381122 684571683 1369143366 2053715049 4107430098 6161145147 12322290294 24416390027 48832780054 73249170081 146498340162 219747510243 439495020486 659242530729 1318485061458