Search a number
-
+
102379441834 = 2177728806821
BaseRepresentation
bin101111101011001001…
…0100100111010101010
3100210020222222111211001
41133112102210322222
53134133114114314
6115011002425214
710253025616465
oct1372622447252
9323228874731
10102379441834
113a467586a5a
1217a1280220a
13986777aba7
144d5308c2dc
1529e309e674
hex17d64a4eaa

102379441834 has 8 divisors (see below), whose sum is σ = 153655588548. Its totient is φ = 51160912320.

The previous prime is 102379441783. The next prime is 102379441877. The reversal of 102379441834 is 438144973201.

It can be written as a sum of positive squares in 2 ways, for example, as 102366082809 + 13359025 = 319947^2 + 3655^2 .

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

It is a super-2 number, since 2×1023794418342 (a number of 23 digits) contains 22 as substring.

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, 14399857 + ... + 14406964.

Almost surely, 2102379441834 is an apocalyptic number.

102379441834 is a deficient number, since it is larger than the sum of its proper divisors (51276146714).

102379441834 is a wasteful number, since it uses less digits than its factorization.

102379441834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28808600.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 102379441834 in words is "one hundred two billion, three hundred seventy-nine million, four hundred forty-one thousand, eight hundred thirty-four".

Divisors: 1 2 1777 3554 28806821 57613642 51189720917 102379441834