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23754068440 = 235593851711
BaseRepresentation
bin10110000111110110…
…100101000111011000
32021022110110201000121
4112013312211013120
5342122020142230
614525032043024
71500435151564
oct260766450730
967273421017
1023754068440
11a08a609223
12472b233474
13231737c6cb
141214adc6a4
1594061277a
hex587da51d8

23754068440 has 16 divisors (see below), whose sum is σ = 53446654080. Its totient is φ = 9501627360.

The previous prime is 23754068383. The next prime is 23754068449. The reversal of 23754068440 is 4486045732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23754068449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296925816 + ... + 296925895.

It is an arithmetic number, because the mean of its divisors is an integer number (3340415880).

Almost surely, 223754068440 is an apocalyptic number.

23754068440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23754068440 is an abundant number, since it is smaller than the sum of its proper divisors (29692585640).

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

23754068440 is a wasteful number, since it uses less digits than its factorization.

23754068440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593851722 (or 593851718 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 23754068440 in words is "twenty-three billion, seven hundred fifty-four million, sixty-eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 593851711 1187703422 2375406844 2969258555 4750813688 5938517110 11877034220 23754068440