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24997918396 = 221117296311279
BaseRepresentation
bin10111010001111111…
…011111011010111100
32101112010222211101111
4113101333133122330
5402143431342041
615252304051404
71543320541363
oct272177373274
971463884344
1024997918396
11a6687450a0
124a17903b64
132484c87bb9
1412d1da47da
159b4910981
hex5d1fdf6bc

24997918396 has 48 divisors (see below), whose sum is σ = 50552087040. Its totient is φ = 10689739520.

The previous prime is 24997918369. The next prime is 24997918399. The reversal of 24997918396 is 69381979942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24997918399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2210685 + ... + 2221963.

It is an arithmetic number, because the mean of its divisors is an integer number (1053168480).

Almost surely, 224997918396 is an apocalyptic number.

It is an amenable number.

24997918396 is an abundant number, since it is smaller than the sum of its proper divisors (25554168644).

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

24997918396 is a wasteful number, since it uses less digits than its factorization.

24997918396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274 (or 14272 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 67.

The spelling of 24997918396 in words is "twenty-four billion, nine hundred ninety-seven million, nine hundred eighteen thousand, three hundred ninety-six".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 2963 5926 11279 11852 22558 32593 45116 50371 65186 100742 124069 130372 191743 201484 248138 383486 496276 554081 766972 1108162 2109173 2216324 4218346 8436692 33419677 66839354 133678708 367616447 568134509 735232894 1136269018 1470465788 2272538036 6249479599 12498959198 24997918396