Search a number
-
+
12475722019 = 29523822557
BaseRepresentation
bin10111001111001110…
…00110100100100011
31012012110021100021111
423213213012210203
5201022241101034
65421542004151
7621105613255
oct134747064443
935173240244
1012475722019
115322246672
122502116657
13123a899247
14864c93cd5
154d03e0364
hex2e79c6923

12475722019 has 8 divisors (see below), whose sum is σ = 12930611760. Its totient is φ = 12022478496.

The previous prime is 12475722011. The next prime is 12475722037. The reversal of 12475722019 is 91022757421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12475722019 - 23 = 12475722011 is a prime.

It is a super-2 number, since 2×124757220192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12475722011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396112 + ... + 426445.

It is an arithmetic number, because the mean of its divisors is an integer number (1616326470).

Almost surely, 212475722019 is an apocalyptic number.

12475722019 is a deficient number, since it is larger than the sum of its proper divisors (454889741).

12475722019 is an equidigital number, since it uses as much as digits as its factorization.

12475722019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823109.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12475722019 in words is "twelve billion, four hundred seventy-five million, seven hundred twenty-two thousand, nineteen".

Divisors: 1 29 523 15167 822557 23854153 430197311 12475722019