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20895269884425 = 3252234037733311
BaseRepresentation
bin1001100000001000011110…
…01000111001001000001001
32201222120100021200211011100
410300010033020321020021
510214322003042300200
6112235053210452013
74254430160334666
oct460041710711011
981876307624140
1020895269884425
1167266a8125002
122415787734009
13b87552ac6591
1452349d356a6d
15263801ebbd00
hex13010f239209

20895269884425 has 36 divisors (see below), whose sum is σ = 39052956593664. Its totient is φ = 10659615938400.

The previous prime is 20895269884417. The next prime is 20895269884477. The reversal of 20895269884425 is 52448896259802.

20895269884425 is a `hidden beast` number, since 2 + 0 + 8 + 9 + 526 + 98 + 8 + 4 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 20895269884425 - 23 = 20895269884417 is a prime.

It is a super-2 number, since 2×208952698844252 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2018861481 + ... + 2018871830.

It is an arithmetic number, because the mean of its divisors is an integer number (1084804349824).

Almost surely, 220895269884425 is an apocalyptic number.

20895269884425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20895269884425 is a deficient number, since it is larger than the sum of its proper divisors (18157686709239).

20895269884425 is a wasteful number, since it uses less digits than its factorization.

20895269884425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037733350 (or 4037733342 counting only the distinct ones).

The product of its (nonzero) digits is 796262400, while the sum is 72.

The spelling of 20895269884425 in words is "twenty trillion, eight hundred ninety-five billion, two hundred sixty-nine million, eight hundred eighty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 23 25 45 69 75 115 207 225 345 575 1035 1725 5175 4037733311 12113199933 20188666555 36339599799 60565999665 92867866153 100943332775 181697998995 278603598459 302829998325 464339330765 835810795377 908489994975 1393017992295 2321696653825 4179053976885 6965089961475 20895269884425