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1325200104 = 233218405557
BaseRepresentation
bin100111011111100…
…1111001011101000
310102100121010210100
41032333033023220
510203222400404
6335255345400
744561005104
oct11677171350
93370533710
101325200104
1162004a4a8
1230b982260
1318171c297
14c8000904
157b51bd39
hex4efcf2e8

1325200104 has 24 divisors (see below), whose sum is σ = 3589083810. Its totient is φ = 441733344.

The previous prime is 1325200069. The next prime is 1325200111. The reversal of 1325200104 is 4010025231.

1325200104 is a `hidden beast` number, since 132 + 520 + 0 + 10 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1114892100 + 210308004 = 33390^2 + 14502^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13252001042 = 3512310631283221632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9202707 + ... + 9202850.

Almost surely, 21325200104 is an apocalyptic number.

It is an amenable number.

1325200104 is an abundant number, since it is smaller than the sum of its proper divisors (2263883706).

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

1325200104 is a wasteful number, since it uses less digits than its factorization.

1325200104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405569 (or 18405562 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1325200104 is about 36403.2979824631. The cubic root of 1325200104 is about 1098.3999060895.

Adding to 1325200104 its reverse (4010025231), we get a palindrome (5335225335).

The spelling of 1325200104 in words is "one billion, three hundred twenty-five million, two hundred thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 18405557 36811114 55216671 73622228 110433342 147244456 165650013 220866684 331300026 441733368 662600052 1325200104