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13887973152 = 253328157203
BaseRepresentation
bin11001110111100100…
…11010011100100000
31022211212200010122000
430323302122130200
5211420310120102
610214031244000
71001104552434
oct147362323440
938755603560
1013887973152
115987442869
122837079600
1314043470c1
1495a6749c4
155643a501c
hex33bc9a720

13887973152 has 96 divisors (see below), whose sum is σ = 40651450560. Its totient is φ = 4612769280.

The previous prime is 13887973139. The next prime is 13887973193. The reversal of 13887973152 is 25137978831.

It is a happy number.

13887973152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 214183 + ... + 271385.

It is an arithmetic number, because the mean of its divisors is an integer number (423452610).

Almost surely, 213887973152 is an apocalyptic number.

13887973152 is a gapful number since it is divisible by the number (12) 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 13887973152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20325725280).

13887973152 is an abundant number, since it is smaller than the sum of its proper divisors (26763477408).

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

13887973152 is a wasteful number, since it uses less digits than its factorization.

13887973152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57503 (or 57489 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 13887973152 in words is "thirteen billion, eight hundred eighty-seven million, nine hundred seventy-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 281 288 432 562 843 864 1124 1686 2248 2529 3372 4496 5058 6744 7587 8992 10116 13488 15174 20232 26976 30348 40464 57203 60696 80928 114406 121392 171609 228812 242784 343218 457624 514827 686436 915248 1029654 1372872 1544481 1830496 2059308 2745744 3088962 4118616 5491488 6177924 8237232 12355848 16074043 16474464 24711696 32148086 48222129 49423392 64296172 96444258 128592344 144666387 192888516 257184688 289332774 385777032 433999161 514369376 578665548 771554064 867998322 1157331096 1543108128 1735996644 2314662192 3471993288 4629324384 6943986576 13887973152