Search a number
-
+
93130023491 = 1391574267517
BaseRepresentation
bin101011010111011111…
…0110110001001000011
322220101101120101011022
41112232332312021003
53011212241222431
6110441111340055
76504564065321
oct1265676661103
9286341511138
1093130023491
113655051a06a
121607108162b
138a2242cb9b
1447168acd11
15265105607b
hex15aefb6243

93130023491 has 8 divisors (see below), whose sum is σ = 94397498160. Its totient is φ = 91871084448.

The previous prime is 93130023479. The next prime is 93130023523. The reversal of 93130023491 is 19432003139.

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

It is a cyclic number.

It is not a de Polignac number, because 93130023491 - 214 = 93130007107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93130023391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111936 + ... + 2155581.

It is an arithmetic number, because the mean of its divisors is an integer number (11799687270).

Almost surely, 293130023491 is an apocalyptic number.

93130023491 is a deficient number, since it is larger than the sum of its proper divisors (1267474669).

93130023491 is a wasteful number, since it uses less digits than its factorization.

93130023491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267813.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 93130023491 in words is "ninety-three billion, one hundred thirty million, twenty-three thousand, four hundred ninety-one".

Divisors: 1 139 157 21823 4267517 593184863 670000169 93130023491