Search a number
-
+
693813131884 = 221672070750159
BaseRepresentation
bin10100001100010100111…
…11000011101001101100
32110022212000210221012101
422012022133003221230
542331412130210014
61250422223144444
7101061223213105
oct12061237035154
92408760727171
10693813131884
11248276475054
12b2570745124
1350570764132
142581b7713ac
15130aad5b474
hexa18a7c3a6c

693813131884 has 24 divisors (see below), whose sum is σ = 1221526817280. Its totient is φ = 344805753936.

The previous prime is 693813131833. The next prime is 693813131887. The reversal of 693813131884 is 488131318396.

It is not an unprimeable number, because it can be changed into a prime (693813131887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13807197 + ... + 13857355.

It is an arithmetic number, because the mean of its divisors is an integer number (50896950720).

Almost surely, 2693813131884 is an apocalyptic number.

It is an amenable number.

693813131884 is a deficient number, since it is larger than the sum of its proper divisors (527713685396).

693813131884 is a wasteful number, since it uses less digits than its factorization.

693813131884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71037 (or 71035 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The spelling of 693813131884 in words is "six hundred ninety-three billion, eight hundred thirteen million, one hundred thirty-one thousand, eight hundred eighty-four".

Divisors: 1 2 4 167 334 668 20707 41414 50159 82828 100318 200636 3458069 6916138 8376553 13832276 16753106 33506212 1038642413 2077284826 4154569652 173453282971 346906565942 693813131884