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23325421405 = 5111323118069
BaseRepresentation
bin10101101110010011…
…011010111101011101
32020012120220011211111
4111232103122331131
5340232301441110
614414320422021
71454011545016
oct255623327535
966176804744
1023325421405
11998a657380
12462b777911
13227961ac00
1411b3bdc00d
15917b90e8a
hex56e4daf5d

23325421405 has 48 divisors (see below), whose sum is σ = 33175059840. Its totient is φ = 15606739200.

The previous prime is 23325421403. The next prime is 23325421417. The reversal of 23325421405 is 50412452332.

It is not a de Polignac number, because 23325421405 - 21 = 23325421403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23325421403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2886711 + ... + 2894779.

It is an arithmetic number, because the mean of its divisors is an integer number (691147080).

Almost surely, 223325421405 is an apocalyptic number.

It is an amenable number.

23325421405 is a deficient number, since it is larger than the sum of its proper divisors (9849638435).

23325421405 is a wasteful number, since it uses less digits than its factorization.

23325421405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422 (or 8409 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 23325421405 its reverse (50412452332), we get a palindrome (73737873737).

The spelling of 23325421405 in words is "twenty-three billion, three hundred twenty-five million, four hundred twenty-one thousand, four hundred five".

Divisors: 1 5 11 13 55 65 143 169 311 715 845 1555 1859 3421 4043 8069 9295 17105 20215 40345 44473 52559 88759 104897 222365 262795 443795 524485 578149 1153867 1363661 2509459 2890745 5769335 6818305 12547295 15000271 27604049 32622967 75001355 138020245 163114835 358852637 424098571 1794263185 2120492855 4665084281 23325421405