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15252324020442 = 2331377692680991
BaseRepresentation
bin1101110111110011010101…
…0110101111000011011010
32000000002220200111201002000
43131330311112233003122
53444343224422123232
652234453153021430
73132641544033135
oct335746526570332
960002820451060
1015252324020442
114950524311783
121864004554876
13868398913ba2
143aa305c0921c
151b6b344e727c
hexddf355af0da

15252324020442 has 64 divisors (see below), whose sum is σ = 34185865190400. Its totient is φ = 5040432783360.

The previous prime is 15252324020441. The next prime is 15252324020471. The reversal of 15252324020442 is 24402042325251.

15252324020442 is a `hidden beast` number, since 1 + 52 + 523 + 2 + 40 + 2 + 0 + 4 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15252324020397 and 15252324020406.

It is not an unprimeable number, because it can be changed into a prime (15252324020441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4348567 + ... + 7029557.

It is an arithmetic number, because the mean of its divisors is an integer number (534154143600).

Almost surely, 215252324020442 is an apocalyptic number.

15252324020442 is an abundant number, since it is smaller than the sum of its proper divisors (18933541169958).

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

15252324020442 is a wasteful number, since it uses less digits than its factorization.

15252324020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681908 (or 2681902 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 15252324020442 its reverse (24402042325251), we get a palindrome (39654366345693).

The spelling of 15252324020442 in words is "fifteen trillion, two hundred fifty-two billion, three hundred twenty-four million, twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 137 274 411 769 822 1233 1538 2307 2466 3699 4614 6921 7398 13842 20763 41526 105353 210706 316059 632118 948177 1896354 2680991 2844531 5361982 5689062 8042973 16085946 24128919 48257838 72386757 144773514 367295767 734591534 1101887301 2061682079 2203774602 3305661903 4123364158 6185046237 6611323806 9916985709 12370092474 18555138711 19833971418 37110277422 55665416133 111330832266 282450444823 564900889646 847351334469 1694702668938 2542054003407 5084108006814 7626162010221 15252324020442