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1925990528945 = 57184729793341
BaseRepresentation
bin11100000001101101111…
…110110011011110110001
320211010022120222011210112
4130001231332303132301
5223023412033411240
64032442101111105
7256101561244310
oct34015576633661
96733276864715
101925990528945
1168289849687a
1227132a3b8495
1310c80a560452
146930b57a277
15351758c5665
hex1c06dfb37b1

1925990528945 has 16 divisors (see below), whose sum is σ = 2642788608768. Its totient is φ = 1319964135360.

The previous prime is 1925990528921. The next prime is 1925990528951. The reversal of 1925990528945 is 5498250995291.

It is not a de Polignac number, because 1925990528945 - 210 = 1925990527921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14832026 + ... + 14961315.

It is an arithmetic number, because the mean of its divisors is an integer number (165174288048).

Almost surely, 21925990528945 is an apocalyptic number.

It is an amenable number.

1925990528945 is a deficient number, since it is larger than the sum of its proper divisors (716798079823).

1925990528945 is a wasteful number, since it uses less digits than its factorization.

1925990528945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29795200.

The product of its (nonzero) digits is 104976000, while the sum is 68.

The spelling of 1925990528945 in words is "one trillion, nine hundred twenty-five billion, nine hundred ninety million, five hundred twenty-eight thousand, nine hundred forty-five".

Divisors: 1 5 7 35 1847 9235 12929 64645 29793341 148966705 208553387 1042766935 55028300827 275141504135 385198105789 1925990528945