Search a number
-
+
13917871803992 = 2313133825690423
BaseRepresentation
bin1100101010001000000111…
…0011100000111001011000
31211021112110102020022200012
43022202001303200321120
53311012300140211432
645333440530501052
72634350560245632
oct312420163407130
954245412208605
1013917871803992
114486599882432
121689463134788
1379c5acc3b470
143618b2bc7a52
15192080b97cb2
hexca881ce0e58

13917871803992 has 16 divisors (see below), whose sum is σ = 28103394989040. Its totient is φ = 6423633140256.

The previous prime is 13917871803991. The next prime is 13917871804091. The reversal of 13917871803992 is 29930817871931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917871803991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66912845108 + ... + 66912845315.

It is an arithmetic number, because the mean of its divisors is an integer number (1756462186815).

Almost surely, 213917871803992 is an apocalyptic number.

It is an amenable number.

13917871803992 is an abundant number, since it is smaller than the sum of its proper divisors (14185523185048).

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

13917871803992 is a wasteful number, since it uses less digits than its factorization.

13917871803992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133825690442 (or 133825690438 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 13917871803992 in words is "thirteen trillion, nine hundred seventeen billion, eight hundred seventy-one million, eight hundred three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 133825690423 267651380846 535302761692 1070605523384 1739733975499 3479467950998 6958935901996 13917871803992