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12913980124 = 2231677121893
BaseRepresentation
bin11000000011011101…
…11011001011011100
31020022222221011101011
430001232323023130
5202421434330444
65533235225004
7635010006553
oct140156731334
936288834334
1012913980124
115527672451
122604a48164
1312aa614576
148a7176d9a
15508b0e734
hex301bbb2dc

12913980124 has 48 divisors (see below), whose sum is σ = 24011237376. Its totient is φ = 6068462400.

The previous prime is 12913980103. The next prime is 12913980133. The reversal of 12913980124 is 42108931921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578922 + ... + 600814.

It is an arithmetic number, because the mean of its divisors is an integer number (500234112).

Almost surely, 212913980124 is an apocalyptic number.

It is an amenable number.

12913980124 is a deficient number, since it is larger than the sum of its proper divisors (11097257252).

12913980124 is a wasteful number, since it uses less digits than its factorization.

12913980124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066 (or 22064 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 12913980124 in words is "twelve billion, nine hundred thirteen million, nine hundred eighty thousand, one hundred twenty-four".

Divisors: 1 2 4 31 62 67 71 124 134 142 268 284 2077 2201 4154 4402 4757 8308 8804 9514 19028 21893 43786 87572 147467 294934 589868 678683 1357366 1466831 1554403 2714732 2933662 3108806 5867324 6217612 45471761 48186493 90943522 96372986 104145001 181887044 192745972 208290002 416580004 3228495031 6456990062 12913980124