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54121351366 = 297127868873
BaseRepresentation
bin110010011001111000…
…100100100011000110
312011200210212111212001
4302121320210203012
51341320031220431
640510224215514
73624114616255
oct623170444306
9164623774761
1054121351366
1120a53101365
12a5a516a59a
13514686c484
142895c3279c
15161b5dae61
hexc99e248c6

54121351366 has 8 divisors (see below), whose sum is σ = 81265636584. Its totient is φ = 27032805840.

The previous prime is 54121351343. The next prime is 54121351367. The reversal of 54121351366 is 66315312145.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54121351367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13932495 + ... + 13936378.

It is an arithmetic number, because the mean of its divisors is an integer number (10158204573).

Almost surely, 254121351366 is an apocalyptic number.

54121351366 is a deficient number, since it is larger than the sum of its proper divisors (27144285218).

54121351366 is a wasteful number, since it uses less digits than its factorization.

54121351366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27869846.

The product of its digits is 64800, while the sum is 37.

The spelling of 54121351366 in words is "fifty-four billion, one hundred twenty-one million, three hundred fifty-one thousand, three hundred sixty-six".

Divisors: 1 2 971 1942 27868873 55737746 27060675683 54121351366