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19525242516 = 223131095711423
BaseRepresentation
bin10010001011110010…
…111000111010010100
31212101202012002102020
4102023302320322110
5304441430230031
612545245413140
71260565552203
oct221362707224
955352162366
1019525242516
11830a54376a
12394ab6a1b0
131ac2220250
14d3322123a
1579423c096
hex48bcb8e94

19525242516 has 48 divisors (see below), whose sum is σ = 49072203264. Its totient is φ = 6006692736.

The previous prime is 19525242511. The next prime is 19525242619. The reversal of 19525242516 is 61524252591.

It is a super-2 number, since 2×195252425162 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19525242511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703581 + ... + 1715003.

It is an arithmetic number, because the mean of its divisors is an integer number (1022337568).

Almost surely, 219525242516 is an apocalyptic number.

It is an amenable number.

19525242516 is an abundant number, since it is smaller than the sum of its proper divisors (29546960748).

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

19525242516 is a wasteful number, since it uses less digits than its factorization.

19525242516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22400 (or 22398 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The spelling of 19525242516 in words is "nineteen billion, five hundred twenty-five million, two hundred forty-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 10957 11423 21914 22846 32871 34269 43828 45692 65742 68538 131484 137076 142441 148499 284882 296998 427323 445497 569764 593996 854646 890994 1709292 1781988 125161811 250323622 375485433 500647244 750970866 1501941732 1627103543 3254207086 4881310629 6508414172 9762621258 19525242516