Search a number
-
+
15930471312 = 243375268013
BaseRepresentation
bin11101101011000011…
…11011001110010000
31112010012222210101000
432311201323032100
5230111200040222
611152433142000
71102525525530
oct166541731620
945105883330
1015930471312
116835376978
1231070ba900
13166b5510b2
14ab1a334c0
1563385e9ac
hex3b587b390

15930471312 has 80 divisors (see below), whose sum is σ = 52258698880. Its totient is φ = 4551562368.

The previous prime is 15930471307. The next prime is 15930471329. The reversal of 15930471312 is 21317403951.

15930471312 is a `hidden beast` number, since 1 + 593 + 0 + 47 + 13 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2630983 + ... + 2637030.

It is an arithmetic number, because the mean of its divisors is an integer number (653233736).

Almost surely, 215930471312 is an apocalyptic number.

15930471312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15930471312 is an abundant number, since it is smaller than the sum of its proper divisors (36328227568).

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

15930471312 is a wasteful number, since it uses less digits than its factorization.

15930471312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268037 (or 5268025 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 15930471312 in words is "fifteen billion, nine hundred thirty million, four hundred seventy-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 5268013 10536026 15804039 21072052 31608078 36876091 42144104 47412117 63216156 73752182 84288208 94824234 110628273 126432312 142236351 147504364 189648468 221256546 252864624 284472702 295008728 331884819 379296936 442513092 568945404 590017456 663769638 758593872 885026184 995654457 1137890808 1327539276 1770052368 1991308914 2275781616 2655078552 3982617828 5310157104 7965235656 15930471312