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2154463830814 = 21077231915407
BaseRepresentation
bin11111010110100000000…
…011010010001100011110
321121222001021210110112211
4133112200003102030132
5240244320220041224
64325425204551034
7311440423255231
oct37264003221436
97558037713484
102154463830814
11760780736109
122a96716b247a
1312821b865329
14763c3013418
153b098903894
hex1f5a00d231e

2154463830814 has 4 divisors (see below), whose sum is σ = 3231695746224. Its totient is φ = 1077231915406.

The previous prime is 2154463830809. The next prime is 2154463830829. The reversal of 2154463830814 is 4180383644512.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538615957702 + ... + 538615957705.

It is an arithmetic number, because the mean of its divisors is an integer number (807923936556).

Almost surely, 22154463830814 is an apocalyptic number.

2154463830814 is a deficient number, since it is larger than the sum of its proper divisors (1077231915410).

2154463830814 is a wasteful number, since it uses less digits than its factorization.

2154463830814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077231915409.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 2154463830814 in words is "two trillion, one hundred fifty-four billion, four hundred sixty-three million, eight hundred thirty thousand, eight hundred fourteen".

Divisors: 1 2 1077231915407 2154463830814