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15137400740 = 2257119829481
BaseRepresentation
bin11100001100100001…
…00110011110100100
31110001221200122001212
432012100212132210
5222000133310430
610542023010552
71044055532450
oct160620463644
943057618055
1015137400740
116468739250
122b25599a58
131573156277
14a3858d660
155d8e05b95
hex3864267a4

15137400740 has 48 divisors (see below), whose sum is σ = 39632471424. Its totient is φ = 4718150400.

The previous prime is 15137400739. The next prime is 15137400827. The reversal of 15137400740 is 4700473151.

It is a junction number, because it is equal to n+sod(n) for n = 15137400697 and 15137400706.

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, 4913201 + ... + 4916280.

It is an arithmetic number, because the mean of its divisors is an integer number (825676488).

Almost surely, 215137400740 is an apocalyptic number.

15137400740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15137400740 is an abundant number, since it is smaller than the sum of its proper divisors (24495070684).

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

15137400740 is a wasteful number, since it uses less digits than its factorization.

15137400740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829508 (or 9829506 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 15137400740 its reverse (4700473151), we get a palindrome (19837873891).

The spelling of 15137400740 in words is "fifteen billion, one hundred thirty-seven million, four hundred thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 9829481 19658962 39317924 49147405 68806367 98294810 108124291 137612734 196589620 216248582 275225468 344031835 432497164 540621455 688063670 756870037 1081242910 1376127340 1513740074 2162485820 3027480148 3784350185 7568700370 15137400740