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2145514214838 = 23357585702473
BaseRepresentation
bin11111001110001010100…
…111001101010110110110
321121002221120111212102110
4133032022213031112312
5240123003114333323
64321345143351450
7311002561631331
oct37161247152666
97532846455373
102145514214838
117579a8928175
122a7994452586
13127423676187
1475bb4595618
153ac22d7a793
hex1f38a9cd5b6

2145514214838 has 8 divisors (see below), whose sum is σ = 4291028429688. Its totient is φ = 715171404944.

The previous prime is 2145514214803. The next prime is 2145514214869. The reversal of 2145514214838 is 8384124155412.

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

2145514214838 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178792851231 + ... + 178792851242.

It is an arithmetic number, because the mean of its divisors is an integer number (536378553711).

Almost surely, 22145514214838 is an apocalyptic number.

2145514214838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2145514214838 is a wasteful number, since it uses less digits than its factorization.

2145514214838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357585702478.

The product of its digits is 1228800, while the sum is 48.

The spelling of 2145514214838 in words is "two trillion, one hundred forty-five billion, five hundred fourteen million, two hundred fourteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 357585702473 715171404946 1072757107419 2145514214838