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20025450026 = 219618639107
BaseRepresentation
bin10010101001100111…
…000001111000101010
31220200121102021010022
4102221213001320222
5312003003400101
613111034520442
71306151342141
oct225147017052
956617367108
1020025450026
118546931aaa
123a6a596122
131b71a4891a
14d7d82c758
157c30e6a1b
hex4a99c1e2a

20025450026 has 16 divisors (see below), whose sum is σ = 32137481760. Its totient is φ = 9330234480.

The previous prime is 20025450017. The next prime is 20025450059. The reversal of 20025450026 is 62005452002.

It is a junction number, because it is equal to n+sod(n) for n = 20025449977 and 20025450004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317236 + ... + 4321871.

It is an arithmetic number, because the mean of its divisors is an integer number (2008592610).

Almost surely, 220025450026 is an apocalyptic number.

20025450026 is a deficient number, since it is larger than the sum of its proper divisors (12112031734).

20025450026 is a wasteful number, since it uses less digits than its factorization.

20025450026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639189.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20025450026 in words is "twenty billion, twenty-five million, four hundred fifty thousand, twenty-six".

Divisors: 1 2 19 38 61 122 1159 2318 8639107 17278214 164143033 328286066 526985527 1053971054 10012725013 20025450026