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23254304505 = 3517313498429
BaseRepresentation
bin10101101010000100…
…001000011011111001
32020000122002001210020
4111222010020123321
5340111100221010
614403300241053
71452156220065
oct255204103371
966018061706
1023254304505
1199534a3183
12460b9a0189
13226797abc3
1411a85a8aa5
159117e4470
hex56a1086f9

23254304505 has 64 divisors (see below), whose sum is σ = 40787712000. Its totient is φ = 11262504960.

The previous prime is 23254304477. The next prime is 23254304561. The reversal of 23254304505 is 50540345232.

It is a happy number.

It is not a de Polignac number, because 23254304505 - 26 = 23254304441 is a prime.

It is a super-2 number, since 2×232543045052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2754631 + ... + 2763059.

It is an arithmetic number, because the mean of its divisors is an integer number (637308000).

Almost surely, 223254304505 is an apocalyptic number.

It is an amenable number.

23254304505 is a deficient number, since it is larger than the sum of its proper divisors (17533407495).

23254304505 is a wasteful number, since it uses less digits than its factorization.

23254304505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 23254304505 its reverse (50540345232), we get a palindrome (73794649737).

The spelling of 23254304505 in words is "twenty-three billion, two hundred fifty-four million, three hundred four thousand, five hundred five".

Divisors: 1 3 5 15 17 31 51 85 93 155 255 349 465 527 1047 1581 1745 2635 5235 5933 7905 8429 10819 17799 25287 29665 32457 42145 54095 88995 126435 143293 162285 183923 261299 429879 551769 716465 783897 919615 1306495 2149395 2758845 2941721 3919485 4442083 8825163 13326249 14708605 22210415 44125815 50009257 66631245 91193351 150027771 250046285 273580053 455966755 750138855 1367900265 1550286967 4650860901 7751434835 23254304505