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2131543203998 = 213431906568161
BaseRepresentation
bin11111000001001001111…
…000000010000010011110
321112202212220120222111112
4133001021320002002132
5234410400030011443
64311114544222022
7306666425201315
oct37011170020236
97482786528445
102131543203998
11751a89629a1a
122a513560a912
13126008077160
147524aca727c
153a6a6571b18
hex1f049e0209e

2131543203998 has 16 divisors (see below), whose sum is σ = 3523337963376. Its totient is φ = 960910352640.

The previous prime is 2131543203989. The next prime is 2131543204003. The reversal of 2131543203998 is 8993023451312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953282963 + ... + 953285198.

It is an arithmetic number, because the mean of its divisors is an integer number (220208622711).

Almost surely, 22131543203998 is an apocalyptic number.

2131543203998 is a deficient number, since it is larger than the sum of its proper divisors (1391794759378).

2131543203998 is a wasteful number, since it uses less digits than its factorization.

2131543203998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906568219.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 2131543203998 in words is "two trillion, one hundred thirty-one billion, five hundred forty-three million, two hundred three thousand, nine hundred ninety-eight".

Divisors: 1 2 13 26 43 86 559 1118 1906568161 3813136322 24785386093 49570772186 81982430923 163964861846 1065771601999 2131543203998