Search a number
-
+
23981069678 = 219631080781
BaseRepresentation
bin10110010101011000…
…100001010101101110
32021220021121120011212
4112111120201111232
5343103123212203
615003341314422
71506162505016
oct262530412556
967807546155
1023981069678
11a196763655
124793265a12
1323523cba77
141236d0cc46
159555021d8
hex59562156e

23981069678 has 8 divisors (see below), whose sum is σ = 37864846920. Its totient is φ = 11359454040.

The previous prime is 23981069677. The next prime is 23981069687. The reversal of 23981069678 is 87696018932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981069677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315540353 + ... + 315540428.

It is an arithmetic number, because the mean of its divisors is an integer number (4733105865).

Almost surely, 223981069678 is an apocalyptic number.

23981069678 is a deficient number, since it is larger than the sum of its proper divisors (13883777242).

23981069678 is a wasteful number, since it uses less digits than its factorization.

23981069678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631080802.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 23981069678 in words is "twenty-three billion, nine hundred eighty-one million, sixty-nine thousand, six hundred seventy-eight".

Divisors: 1 2 19 38 631080781 1262161562 11990534839 23981069678