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13251214023 = 319837873559
BaseRepresentation
bin11000101011101010…
…10111101011000111
31021012111111102022120
430111311113223013
5204114302322043
610030523301023
7646243314015
oct142565275307
937174442276
1013251214023
11568aa68253
12269997a773
13133244ab58
148d9c7d8b5
15528525983
hex315d57ac7

13251214023 has 32 divisors (see below), whose sum is σ = 18851481600. Its totient is φ = 8255527776.

The previous prime is 13251214019. The next prime is 13251214051. The reversal of 13251214023 is 32041215231.

It is not a de Polignac number, because 13251214023 - 22 = 13251214019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13251213984 and 13251214002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251215023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3721518 + ... + 3725076.

It is an arithmetic number, because the mean of its divisors is an integer number (589108800).

Almost surely, 213251214023 is an apocalyptic number.

13251214023 is a deficient number, since it is larger than the sum of its proper divisors (5600267577).

13251214023 is a wasteful number, since it uses less digits than its factorization.

13251214023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13251214023 its reverse (32041215231), we get a palindrome (45292429254).

The spelling of 13251214023 in words is "thirteen billion, two hundred fifty-one million, two hundred fourteen thousand, twenty-three".

Divisors: 1 3 19 57 83 249 787 1577 2361 3559 4731 10677 14953 44859 65321 67621 195963 202863 295397 886191 1241099 2800933 3723297 5612543 8402799 16837629 53217727 159653181 232477439 697432317 4417071341 13251214023