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23534201401 = 199735113637
BaseRepresentation
bin10101111010101111…
…110110101000111001
32020202010202022010221
4111322233312220321
5341144223421101
614451135340041
71462125261034
oct257257665071
966663668127
1023534201401
119a87496927
124689681621
1322b095a679
1411d382801b
1592b181aa1
hex57abf6a39

23534201401 has 16 divisors (see below), whose sum is σ = 25042245760. Its totient is φ = 22053358080.

The previous prime is 23534201393. The next prime is 23534201419. The reversal of 23534201401 is 10410243532.

It is a cyclic number.

It is not a de Polignac number, because 23534201401 - 23 = 23534201393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23534201491) 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, 6468955 + ... + 6472591.

It is an arithmetic number, because the mean of its divisors is an integer number (1565140360).

Almost surely, 223534201401 is an apocalyptic number.

It is an amenable number.

23534201401 is a deficient number, since it is larger than the sum of its proper divisors (1508044359).

23534201401 is a wasteful number, since it uses less digits than its factorization.

23534201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23534201401 its reverse (10410243532), we get a palindrome (33944444933).

The spelling of 23534201401 in words is "twenty-three billion, five hundred thirty-four million, two hundred one thousand, four hundred one".

Divisors: 1 19 97 1843 3511 3637 66709 69103 340567 352789 6470773 6702991 12769507 242620633 1238642179 23534201401