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20925259002 = 2321162514389
BaseRepresentation
bin10011011111001111…
…100001110011111010
32000000022120021222200
4103133033201303322
5320323331242002
613340220531030
71340355524004
oct233717416372
960008507880
1020925259002
11896884388a
12407b9b0a76
131c862a637b
141027139374
158270d6b1c
hex4df3e1cfa

20925259002 has 12 divisors (see below), whose sum is σ = 45338061210. Its totient is φ = 6975086328.

The previous prime is 20925258919. The next prime is 20925259051. The reversal of 20925259002 is 20095252902.

It can be written as a sum of positive squares in only one way, i.e., 16615467801 + 4309791201 = 128901^2 + 65649^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581257177 + ... + 581257212.

Almost surely, 220925259002 is an apocalyptic number.

20925259002 is an abundant number, since it is smaller than the sum of its proper divisors (24412802208).

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

20925259002 is a wasteful number, since it uses less digits than its factorization.

20925259002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162514397 (or 1162514394 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 20925259002 in words is "twenty billion, nine hundred twenty-five million, two hundred fifty-nine thousand, two".

Divisors: 1 2 3 6 9 18 1162514389 2325028778 3487543167 6975086334 10462629501 20925259002