Search a number
-
+
23487025775 = 52939481031
BaseRepresentation
bin10101110111111011…
…111001001001101111
32020121211222112100112
4111313323321021233
5341100134311100
614442332250235
71461013265543
oct256773711157
966554875315
1023487025775
119a628a5104
12467591097b
1322a3c509b5
1411cb467a23
15926e63b35
hex577ef926f

23487025775 has 6 divisors (see below), whose sum is σ = 29123911992. Its totient is φ = 18789620600.

The previous prime is 23487025747. The next prime is 23487025781. The reversal of 23487025775 is 57752078432.

It is not a de Polignac number, because 23487025775 - 210 = 23487024751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469740491 + ... + 469740540.

It is an arithmetic number, because the mean of its divisors is an integer number (4853985332).

Almost surely, 223487025775 is an apocalyptic number.

23487025775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23487025775 is a deficient number, since it is larger than the sum of its proper divisors (5636886217).

23487025775 is an equidigital number, since it uses as much as digits as its factorization.

23487025775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939481041 (or 939481036 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 23487025775 in words is "twenty-three billion, four hundred eighty-seven million, twenty-five thousand, seven hundred seventy-five".

Divisors: 1 5 25 939481031 4697405155 23487025775