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12530461052 = 223132615263
BaseRepresentation
bin10111010101101111…
…11010100101111100
31012100021021101010002
423222313322211330
5201130244223202
65431215133432
7622342106264
oct135267724574
935307241102
1012530461052
11535013393a
122518514278
1312490236c5
1486c2627a4
154d5104302
hex2eadfa97c

12530461052 has 6 divisors (see below), whose sum is σ = 21928306848. Its totient is φ = 6265230524.

The previous prime is 12530461039. The next prime is 12530461061. The reversal of 12530461052 is 25016403521.

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, 1566307628 + ... + 1566307635.

It is an arithmetic number, because the mean of its divisors is an integer number (3654717808).

Almost surely, 212530461052 is an apocalyptic number.

It is an amenable number.

12530461052 is a deficient number, since it is larger than the sum of its proper divisors (9397845796).

12530461052 is a wasteful number, since it uses less digits than its factorization.

12530461052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132615267 (or 3132615265 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12530461052 its reverse (25016403521), we get a palindrome (37546864573).

The spelling of 12530461052 in words is "twelve billion, five hundred thirty million, four hundred sixty-one thousand, fifty-two".

Divisors: 1 2 4 3132615263 6265230526 12530461052