Search a number
-
+
13894926866 = 28179849427
BaseRepresentation
bin11001111000011001…
…11100001000010010
31022212100202102022222
430330030330020102
5211424100124431
610214440301042
71001220633602
oct147414741022
938770672288
1013894926866
115990362237
122839471782
131405910222
1495b564c02
15564cca57b
hex33c33c212

13894926866 has 8 divisors (see below), whose sum is σ = 20844963120. Its totient is φ = 6946605828.

The previous prime is 13894926853. The next prime is 13894926887. The reversal of 13894926866 is 66862949831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×138949268662 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13894926799 and 13894926808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408356 + ... + 441071.

It is an arithmetic number, because the mean of its divisors is an integer number (2605620390).

Almost surely, 213894926866 is an apocalyptic number.

13894926866 is a deficient number, since it is larger than the sum of its proper divisors (6950036254).

13894926866 is an equidigital number, since it uses as much as digits as its factorization.

13894926866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857608.

The product of its digits is 26873856, while the sum is 62.

The spelling of 13894926866 in words is "thirteen billion, eight hundred ninety-four million, nine hundred twenty-six thousand, eight hundred sixty-six".

Divisors: 1 2 8179 16358 849427 1698854 6947463433 13894926866