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12452404312 = 231556550539
BaseRepresentation
bin10111001100011100…
…01001110001011000
31012010211101200101201
423212032021301120
5201000303414222
65415350123544
7620403455515
oct134616116130
935124350351
1012452404312
11531006a737
1224b63505b4
131235ac399a
14861b4430c
154cd336427
hex2e6389c58

12452404312 has 8 divisors (see below), whose sum is σ = 23348258100. Its totient is φ = 6226202152.

The previous prime is 12452404253. The next prime is 12452404333. The reversal of 12452404312 is 21340425421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778275262 + ... + 778275277.

Almost surely, 212452404312 is an apocalyptic number.

It is an amenable number.

12452404312 is a deficient number, since it is larger than the sum of its proper divisors (10895853788).

12452404312 is a wasteful number, since it uses less digits than its factorization.

12452404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556550545 (or 1556550541 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12452404312 its reverse (21340425421), we get a palindrome (33792829733).

The spelling of 12452404312 in words is "twelve billion, four hundred fifty-two million, four hundred four thousand, three hundred twelve".

Divisors: 1 2 4 8 1556550539 3113101078 6226202156 12452404312