Search a number
-
+
12449801260 = 22513442110831
BaseRepresentation
bin10111001100001000…
…01110010000101100
31012010122111102200101
423212010032100230
5200444122120020
65415214240444
7620342364451
oct134604162054
935118442611
1012449801260
115309651a56
1224b54b6124
1312353c1c10
14861667828
154ccec000a
hex2e610e42c

12449801260 has 48 divisors (see below), whose sum is σ = 28164673152. Its totient is φ = 4595385600.

The previous prime is 12449801251. The next prime is 12449801291. The reversal of 12449801260 is 6210894421.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144045 + ... + 1154875.

It is an arithmetic number, because the mean of its divisors is an integer number (586764024).

Almost surely, 212449801260 is an apocalyptic number.

12449801260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12449801260 is an abundant number, since it is smaller than the sum of its proper divisors (15714871892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12449801260 is a wasteful number, since it uses less digits than its factorization.

12449801260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274 (or 15272 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 12449801260 in words is "twelve billion, four hundred forty-nine million, eight hundred one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4421 8842 10831 17684 21662 22105 43324 44210 54155 57473 88420 108310 114946 140803 216620 229892 281606 287365 563212 574730 704015 1149460 1408030 2816060 47883851 95767702 191535404 239419255 478838510 622490063 957677020 1244980126 2489960252 3112450315 6224900630 12449801260