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19227618034025 = 525314511409837
BaseRepresentation
bin1000101111100110001110…
…10101111100000101101001
32112002010211202112021000012
410113303013111330011221
510010011130204042100
6104521013520021305
74023102204442322
oct427630725740551
975063752467005
1019227618034025
116143429132055
1221a6536461835
13a9620608913b
144a689bc57449
1523524b50a135
hex117cc757c169

19227618034025 has 12 divisors (see below), whose sum is σ = 24292100068812. Its totient is φ = 15091866229440.

The previous prime is 19227618034007. The next prime is 19227618034057. The reversal of 19227618034025 is 52043081672291.

It can be written as a sum of positive squares in 6 ways, for example, as 41019211024 + 19186598823001 = 202532^2 + 4380251^2 .

It is a de Polignac number, because none of the positive numbers 2k-19227618034025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7255703594 + ... + 7255706243.

It is an arithmetic number, because the mean of its divisors is an integer number (2024341672401).

It is a 1-persistent number, because it is pandigital, but 2⋅19227618034025 = 38455236068050 is not.

Almost surely, 219227618034025 is an apocalyptic number.

It is an amenable number.

19227618034025 is a deficient number, since it is larger than the sum of its proper divisors (5064482034787).

19227618034025 is a wasteful number, since it uses less digits than its factorization.

19227618034025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511409900 (or 14511409895 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 19227618034025 in words is "nineteen trillion, two hundred twenty-seven billion, six hundred eighteen million, thirty-four thousand, twenty-five".

Divisors: 1 5 25 53 265 1325 14511409837 72557049185 362785245925 769104721361 3845523606805 19227618034025