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2131894896290 = 252090711019699
BaseRepresentation
bin11111000001011110110…
…101101000011010100010
321112210210102100210121222
4133001132311220122202
5234412110043140130
64311213510215042
7310011225424265
oct37013665503242
97483712323558
102131894896290
1175214a0aa605
122a5213354482
13126062ba36c3
1475281894cdc
153a6c7391ce5
hex1f05ed686a2

2131894896290 has 16 divisors (see below), whose sum is σ = 3837432931200. Its totient is φ = 852753043440.

The previous prime is 2131894896283. The next prime is 2131894896293. The reversal of 2131894896290 is 926984981312.

It is not an unprimeable number, because it can be changed into a prime (2131894896293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580861 + ... + 2600559.

It is an arithmetic number, because the mean of its divisors is an integer number (239839558200).

Almost surely, 22131894896290 is an apocalyptic number.

2131894896290 is a deficient number, since it is larger than the sum of its proper divisors (1705538034910).

2131894896290 is a wasteful number, since it uses less digits than its factorization.

2131894896290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228777.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 2131894896290 in words is "two trillion, one hundred thirty-one billion, eight hundred ninety-four million, eight hundred ninety-six thousand, two hundred ninety".

Divisors: 1 2 5 10 209071 418142 1019699 1045355 2039398 2090710 5098495 10196990 213189489629 426378979258 1065947448145 2131894896290