Search a number
-
+
12444267108 = 22371311395849
BaseRepresentation
bin10111001011011110…
…00111001001100100
31012010021002021020210
423211233013021210
5200441213021413
65414455455420
7620244345060
oct134557071144
935107067223
1012444267108
115306512079
1224b3687570
131234204c80
14860a26aa0
154cc77a3c3
hex2e5bc7264

12444267108 has 48 divisors (see below), whose sum is σ = 35737385600. Its totient is φ = 3282004224.

The previous prime is 12444267103. The next prime is 12444267109. The reversal of 12444267108 is 80176244421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12444267103) 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, 5696833 + ... + 5699016.

Almost surely, 212444267108 is an apocalyptic number.

It is an amenable number.

12444267108 is an abundant number, since it is smaller than the sum of its proper divisors (23293118492).

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

12444267108 is a wasteful number, since it uses less digits than its factorization.

12444267108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395876 (or 11395874 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 12444267108 in words is "twelve billion, four hundred forty-four million, two hundred sixty-seven thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 11395849 22791698 34187547 45583396 68375094 79770943 136750188 148146037 159541886 239312829 296292074 319083772 444438111 478625658 592584148 888876222 957251316 1037022259 1777752444 2074044518 3111066777 4148089036 6222133554 12444267108