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2480813901 = 322381115769
BaseRepresentation
bin1001001111011110…
…0011011101001101
320101220002101220100
42103313203131031
520040042021101
61050100241313
7115322366406
oct22367433515
96356071810
102480813901
11106339a225
125929a0239
13306c72627
141976989ad
15e7bdae86
hex93de374d

2480813901 has 12 divisors (see below), whose sum is σ = 3584933820. Its totient is φ = 1653167040.

The previous prime is 2480813861. The next prime is 2480813953. The reversal of 2480813901 is 1093180842.

It can be written as a sum of positive squares in 2 ways, for example, as 1181571876 + 1299242025 = 34374^2 + 36045^2 .

It is not a de Polignac number, because 2480813901 - 218 = 2480551757 is a prime.

It is a super-2 number, since 2×24808139012 = 12308875222789675602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480803901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36456 + ... + 79313.

It is an arithmetic number, because the mean of its divisors is an integer number (298744485).

Almost surely, 22480813901 is an apocalyptic number.

It is an amenable number.

2480813901 is a deficient number, since it is larger than the sum of its proper divisors (1104119919).

2480813901 is a wasteful number, since it uses less digits than its factorization.

2480813901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118156 (or 118153 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2480813901 is about 49807.7694842883. The cubic root of 2480813901 is about 1353.7279494980.

The spelling of 2480813901 in words is "two billion, four hundred eighty million, eight hundred thirteen thousand, nine hundred one".

Divisors: 1 3 9 2381 7143 21429 115769 347307 1041921 275645989 826937967 2480813901