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15396063940 = 22517163379733
BaseRepresentation
bin11100101011010110…
…10100101011000100
31110201222102002021101
432111223110223010
5223012343021230
611023423025444
71053346245535
oct162553245304
943658362241
1015396063940
116590749794
122b9813b284
1315b490cc0a
14a60a8268c
1560199baca
hex395ad4ac4

15396063940 has 96 divisors (see below), whose sum is σ = 34581617280. Its totient is φ = 5737568256.

The previous prime is 15396063919. The next prime is 15396063959. The reversal of 15396063940 is 4936069351.

15396063940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21003814 + ... + 21004546.

It is an arithmetic number, because the mean of its divisors is an integer number (360225180).

Almost surely, 215396063940 is an apocalyptic number.

15396063940 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 15396063940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17290808640).

15396063940 is an abundant number, since it is smaller than the sum of its proper divisors (19185553340).

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

15396063940 is a wasteful number, since it uses less digits than its factorization.

15396063940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 15396063940 in words is "fifteen billion, three hundred ninety-six million, sixty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 163 170 326 340 379 652 733 758 815 1466 1516 1630 1895 2771 2932 3260 3665 3790 5542 6443 7330 7580 11084 12461 12886 13855 14660 24922 25772 27710 32215 49844 55420 61777 62305 64430 119479 123554 124610 128860 238958 247108 249220 277807 308885 477916 555614 597395 617770 1050209 1111228 1194790 1235540 1389035 2031143 2100418 2389580 2778070 4062286 4200836 4722719 5251045 5556140 8124572 9445438 10155715 10502090 18890876 20311430 21004180 23613595 40622860 45282541 47227190 90565082 94454380 181130164 226412705 452825410 769803197 905650820 1539606394 3079212788 3849015985 7698031970 15396063940