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31422738046 = 272397586143
BaseRepresentation
bin11101010000111100…
…001110111001111110
310000002220102111001211
4131100330032321332
51003323210104141
622234014155034
72161453603120
oct352074167176
9100086374054
1031422738046
11123653531a7
12610b4b2a7a
132c6a07532b
141741399210
15c3d9b0d81
hex750f0ee7e

31422738046 has 16 divisors (see below), whose sum is σ = 56209618944. Its totient is φ = 12881370744.

The previous prime is 31422738013. The next prime is 31422738047. The reversal of 31422738046 is 64083722413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422738047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48792750 + ... + 48793393.

It is an arithmetic number, because the mean of its divisors is an integer number (3513101184).

Almost surely, 231422738046 is an apocalyptic number.

31422738046 is a deficient number, since it is larger than the sum of its proper divisors (24786880898).

31422738046 is a wasteful number, since it uses less digits than its factorization.

31422738046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97586175.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 31422738046 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-eight thousand, forty-six".

Divisors: 1 2 7 14 23 46 161 322 97586143 195172286 683103001 1366206002 2244481289 4488962578 15711369023 31422738046