Search a number
-
+
23131640302 = 249932316407
BaseRepresentation
bin10101100010110000…
…001101000111101110
32012201002021002010121
4111202300031013232
5334333144442202
614343155155154
71446136461361
oct254260150756
965632232117
1023131640302
1198a0231801
1245968a5aba
132248430434
1411961980d8
15905b64537
hex562c0d1ee

23131640302 has 8 divisors (see below), whose sum is σ = 34704424656. Its totient is φ = 11563498752.

The previous prime is 23131640281. The next prime is 23131640327. The reversal of 23131640302 is 20304613132.

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

It is a super-3 number, since 3×231316403023 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 1148218 + ... + 1168189.

It is an arithmetic number, because the mean of its divisors is an integer number (4338053082).

Almost surely, 223131640302 is an apocalyptic number.

23131640302 is a deficient number, since it is larger than the sum of its proper divisors (11572784354).

23131640302 is a wasteful number, since it uses less digits than its factorization.

23131640302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321402.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 23131640302 in words is "twenty-three billion, one hundred thirty-one million, six hundred forty thousand, three hundred two".

Divisors: 1 2 4993 9986 2316407 4632814 11565820151 23131640302