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54135155454 = 2347967727823
BaseRepresentation
bin110010011010101101…
…001110101011111110
312011201202211211111120
4302122231032223332
51341332044433304
640511440131410
73624343141362
oct623255165376
9164652754446
1054135155454
1120a5a97a5a6
12a5a9906b66
135149693683
1428979c72a2
15161c9160d9
hexc9ab4eafe

54135155454 has 32 divisors (see below), whose sum is σ = 108660510720. Its totient is φ = 17980134432.

The previous prime is 54135155449. The next prime is 54135155461. The reversal of 54135155454 is 45455153145.

It is a super-2 number, since 2×541351554542 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 1931787 + ... + 1959609.

It is an arithmetic number, because the mean of its divisors is an integer number (3395640960).

Almost surely, 254135155454 is an apocalyptic number.

54135155454 is an abundant number, since it is smaller than the sum of its proper divisors (54525355266).

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

54135155454 is a wasteful number, since it uses less digits than its factorization.

54135155454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28984.

The product of its digits is 600000, while the sum is 42.

The spelling of 54135155454 in words is "fifty-four billion, one hundred thirty-five million, one hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 479 677 958 1354 1437 2031 2874 4062 27823 55646 83469 166938 324283 648566 972849 1945698 13327217 18836171 26654434 37672342 39981651 56508513 79963302 113017026 9022525909 18045051818 27067577727 54135155454