Search a number
-
+
23392612380 = 2235389876873
BaseRepresentation
bin10101110010010011…
…101111000000011100
32020101021022211112010
4111302103233000130
5340402002044010
614425120511220
71455455632044
oct256223570034
966337284463
1023392612380
119a14579a05
12464a17b510
13228a514c97
1411bcacc724
1591da14620
hex5724ef01c

23392612380 has 24 divisors (see below), whose sum is σ = 65499314832. Its totient is φ = 6238029952.

The previous prime is 23392612319. The next prime is 23392612381. The reversal of 23392612380 is 8321629332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23392612381) 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 7 ways as a sum of consecutive naturals, for example, 194938377 + ... + 194938496.

It is an arithmetic number, because the mean of its divisors is an integer number (2729138118).

Almost surely, 223392612380 is an apocalyptic number.

23392612380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23392612380 is an abundant number, since it is smaller than the sum of its proper divisors (42106702452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23392612380 is a wasteful number, since it uses less digits than its factorization.

23392612380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389876885 (or 389876883 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 23392612380 in words is "twenty-three billion, three hundred ninety-two million, six hundred twelve thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 389876873 779753746 1169630619 1559507492 1949384365 2339261238 3898768730 4678522476 5848153095 7797537460 11696306190 23392612380