Search a number
-
+
23530151441 = 1091271699787
BaseRepresentation
bin10101111010100000…
…011001111000010001
32020201212010112122102
4111322200121320101
5341142204321231
614450512450145
71462045662416
oct257240317021
966655115572
1023530151441
119a85180055
124688249955
1322acb70144
1411d309210d
1592ab31acb
hex57a819e11

23530151441 has 8 divisors (see below), whose sum is σ = 23933015040. Its totient is φ = 23130687888.

The previous prime is 23530151429. The next prime is 23530151467. The reversal of 23530151441 is 14415103532.

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 23530151441 - 26 = 23530151377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23530111441) 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, 836051 + ... + 863736.

It is an arithmetic number, because the mean of its divisors is an integer number (2991626880).

Almost surely, 223530151441 is an apocalyptic number.

It is an amenable number.

23530151441 is a deficient number, since it is larger than the sum of its proper divisors (402863599).

23530151441 is a wasteful number, since it uses less digits than its factorization.

23530151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700023.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 23530151441 its reverse (14415103532), we get a palindrome (37945254973).

The spelling of 23530151441 in words is "twenty-three billion, five hundred thirty million, one hundred fifty-one thousand, four hundred forty-one".

Divisors: 1 109 127 13843 1699787 185276783 215872949 23530151441