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14974948920 = 2335111712
BaseRepresentation
bin11011111001001001…
…11001011000111000
31102122122000020001210
431330210321120320
5221132041331140
610513541043120
71040043652131
oct157444713070
942578006053
1014974948920
116394a71848
122a9b0b64a0
1315485b7829
14a20b82c88
155c9a16d80
hex37c939638

14974948920 has 48 divisors (see below), whose sum is σ = 44928868680. Its totient is φ = 3992962240.

The previous prime is 14974948907. The next prime is 14974948927. The reversal of 14974948920 is 2984947941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14974948927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334935 + ... + 1346105.

Almost surely, 214974948920 is an apocalyptic number.

14974948920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14974948920 is an abundant number, since it is smaller than the sum of its proper divisors (29953919760).

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

14974948920 is an frugal number, since it uses more digits than its factorization.

14974948920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22356 (or 11181 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 14974948920 in words is "fourteen billion, nine hundred seventy-four million, nine hundred forty-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 11171 22342 33513 44684 55855 67026 89368 111710 134052 167565 223420 268104 335130 446840 670260 1340520 124791241 249582482 374373723 499164964 623956205 748747446 998329928 1247912410 1497494892 1871868615 2495824820 2994989784 3743737230 4991649640 7487474460 14974948920