Search a number
-
+
830111142904 = 23103763892863
BaseRepresentation
bin11000001010001100111…
…10101101001111111000
32221100122212120021202121
430011012132231033320
5102100031423033104
61433203042411024
7113654633202451
oct14050636551770
92840585507677
10830111142904
112a005911006a
12114a6a660a74
13603823870b4
142c26b462128
15168d6a72254
hexc1467ad3f8

830111142904 has 8 divisors (see below), whose sum is σ = 1556458392960. Its totient is φ = 415055571448.

The previous prime is 830111142863. The next prime is 830111142911. The reversal of 830111142904 is 409241111038.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 830111142904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51881946424 + ... + 51881946439.

It is an arithmetic number, because the mean of its divisors is an integer number (194557299120).

Almost surely, 2830111142904 is an apocalyptic number.

It is an amenable number.

830111142904 is a deficient number, since it is larger than the sum of its proper divisors (726347250056).

830111142904 is a wasteful number, since it uses less digits than its factorization.

830111142904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103763892869 (or 103763892865 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 830111142904 in words is "eight hundred thirty billion, one hundred eleven million, one hundred forty-two thousand, nine hundred four".

Divisors: 1 2 4 8 103763892863 207527785726 415055571452 830111142904