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2481436109 = 12719538867
BaseRepresentation
bin1001001111100111…
…1011010111001101
320101221021000102002
42103321323113031
520040221423414
61050121442045
7115330600415
oct22371732715
96357230362
102481436109
111063784749
12593040325
1330712c8b9
141977bb645
15e7cb04de
hex93e7b5cd

2481436109 has 4 divisors (see below), whose sum is σ = 2500975104. Its totient is φ = 2461897116.

The previous prime is 2481436099. The next prime is 2481436147. The reversal of 2481436109 is 9016341842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9016341842 = 24508170921.

It is a cyclic number.

It is not a de Polignac number, because 2481436109 - 224 = 2464658893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481436189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9769307 + ... + 9769560.

It is an arithmetic number, because the mean of its divisors is an integer number (625243776).

Almost surely, 22481436109 is an apocalyptic number.

It is an amenable number.

2481436109 is a deficient number, since it is larger than the sum of its proper divisors (19538995).

2481436109 is a wasteful number, since it uses less digits than its factorization.

2481436109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19538994.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2481436109 is about 49814.0151864914. The cubic root of 2481436109 is about 1353.8411153090.

The spelling of 2481436109 in words is "two billion, four hundred eighty-one million, four hundred thirty-six thousand, one hundred nine".

Divisors: 1 127 19538867 2481436109