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14988831540 = 22352964313397
BaseRepresentation
bin11011111010110011…
…10110101100110100
31102200121010112102220
431331121312230310
5221144120102130
610515154402340
71040302652214
oct157531665464
942617115386
1014988831540
1163a1893a91
122aa38903b0
13154b4386b7
14a22958244
155cad5a410
hex37d676b34

14988831540 has 96 divisors (see below), whose sum is σ = 43486692480. Its totient is φ = 3852903936.

The previous prime is 14988831503. The next prime is 14988831563. The reversal of 14988831540 is 4513888941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112122 + ... + 1125518.

It is an arithmetic number, because the mean of its divisors is an integer number (452986380).

Almost surely, 214988831540 is an apocalyptic number.

14988831540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14988831540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21743346240).

14988831540 is an abundant number, since it is smaller than the sum of its proper divisors (28497860940).

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

14988831540 is a wasteful number, since it uses less digits than its factorization.

14988831540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14079 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 14988831540 in words is "fourteen billion, nine hundred eighty-eight million, eight hundred thirty-one thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 643 870 1286 1740 1929 2572 3215 3858 6430 7716 9645 12860 13397 18647 19290 26794 37294 38580 40191 53588 55941 66985 74588 80382 93235 111882 133970 160764 186470 200955 223764 267940 279705 372940 388513 401910 559410 777026 803820 1118820 1165539 1554052 1942565 2331078 3885130 4662156 5827695 7770260 8614271 11655390 17228542 23310780 25842813 34457084 43071355 51685626 86142710 103371252 129214065 172285420 249813859 258428130 499627718 516856260 749441577 999255436 1249069295 1498883154 2498138590 2997766308 3747207885 4996277180 7494415770 14988831540