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12973696920 = 2332536038047
BaseRepresentation
bin11000001010100101…
…01110011110011000
31020111011022002102100
430011102232132120
5203032231300140
65543211203400
7636333414162
oct140522563630
936434262370
1012973696920
11555834a578
122620a46560
1312b9ac2652
148b107d932
1550dea8530
hex3054ae798

12973696920 has 48 divisors (see below), whose sum is σ = 42164516160. Its totient is φ = 3459652416.

The previous prime is 12973696919. The next prime is 12973696933. The reversal of 12973696920 is 2969637921.

It is a congruent 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, 18018664 + ... + 18019383.

It is an arithmetic number, because the mean of its divisors is an integer number (878427420).

Almost surely, 212973696920 is an apocalyptic number.

12973696920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12973696920 is an abundant number, since it is smaller than the sum of its proper divisors (29190819240).

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

12973696920 is a wasteful number, since it uses less digits than its factorization.

12973696920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36038064 (or 36038057 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 12973696920 in words is "twelve billion, nine hundred seventy-three million, six hundred ninety-six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 36038047 72076094 108114141 144152188 180190235 216228282 288304376 324342423 360380470 432456564 540570705 648684846 720760940 864913128 1081141410 1297369692 1441521880 1621712115 2162282820 2594739384 3243424230 4324565640 6486848460 12973696920