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13931524124 = 2273119018443
BaseRepresentation
bin11001111100110001…
…00011000000011100
31022221220121202022222
430332120203000130
5212012432232444
610222224524512
71002144000260
oct147630430034
938856552288
1013931524124
1159a9a89301
122849780738
131410384ccb
149623700a0
15568108eee
hex33e62301c

13931524124 has 48 divisors (see below), whose sum is σ = 28780394496. Its totient is φ = 5774328000.

The previous prime is 13931524121. The next prime is 13931524133. The reversal of 13931524124 is 42142513931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13931524121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645847 + ... + 1654289.

It is an arithmetic number, because the mean of its divisors is an integer number (599591552).

Almost surely, 213931524124 is an apocalyptic number.

13931524124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13931524124 is an abundant number, since it is smaller than the sum of its proper divisors (14848870372).

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

13931524124 is a wasteful number, since it uses less digits than its factorization.

13931524124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386 (or 10384 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 13931524124 in words is "thirteen billion, nine hundred thirty-one million, five hundred twenty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 1901 3802 7604 8443 13307 16886 26614 33772 53228 58931 59101 117862 118202 235724 236404 261733 412517 523466 825034 1046932 1650068 1832131 3664262 7328524 16050143 32100286 64200572 112351001 224702002 449404004 497554433 995108866 1990217732 3482881031 6965762062 13931524124