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23931471204 = 2232192232592
BaseRepresentation
bin10110010010011011…
…010100010101100100
32021202211021200212100
4112102123110111210
5343002424034304
614554410252100
71505021102034
oct262233242544
967684250770
1023931471204
11a170767583
12477a727030
132345054364
1412304bb8c4
15950ea6439
hex5926d4564

23931471204 has 243 divisors, whose sum is σ = 67891816083. Its totient is φ = 7106207328.

The previous prime is 23931471191. The next prime is 23931471209. The reversal of 23931471204 is 40217413932.

It is a happy number.

The square root of 23931471204 is 154698.

It is a perfect power (a square), and thus also a powerful number.

23931471204 is a `hidden beast` number, since 2 + 393 + 147 + 120 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23931471209) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 405618127 + ... + 405618185.

Almost surely, 223931471204 is an apocalyptic number.

23931471204 is the 154698-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23931471204

23931471204 is an abundant number, since it is smaller than the sum of its proper divisors (43960344879).

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

23931471204 is a wasteful number, since it uses less digits than its factorization.

23931471204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Multiplying 23931471204 by its sum of digits (36), we get a square (861532963344 = 9281882).

23931471204 divided by its sum of digits (36) gives a square (664763089 = 257832).

The spelling of 23931471204 in words is "twenty-three billion, nine hundred thirty-one million, four hundred seventy-one thousand, two hundred four".