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7813241013 = 323139814643
BaseRepresentation
bin1110100011011010…
…01001100010110101
3202011111222202201210
413101231021202311
5112000142203023
63331144512033
7364422311214
oct72155114265
922144882653
107813241013
11334a409686
12162077b619
13976943946
1454197107b
1530ae09593
hex1d1b498b5

7813241013 has 16 divisors (see below), whose sum is σ = 10948815360. Its totient is φ = 4946506224.

The previous prime is 7813241003. The next prime is 7813241057. The reversal of 7813241013 is 3101423187.

It is not a de Polignac number, because 7813241013 - 26 = 7813240949 is a prime.

It is a super-2 number, since 2×78132410132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7813241003) 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, 397731 + ... + 416912.

It is an arithmetic number, because the mean of its divisors is an integer number (684300960).

Almost surely, 27813241013 is an apocalyptic number.

It is an amenable number.

7813241013 is a deficient number, since it is larger than the sum of its proper divisors (3135574347).

7813241013 is a wasteful number, since it uses less digits than its factorization.

7813241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814808.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7813241013 is about 88392.5393514634. The cubic root of 7813241013 is about 1984.3140481671.

The spelling of 7813241013 in words is "seven billion, eight hundred thirteen million, two hundred forty-one thousand, thirteen".

Divisors: 1 3 23 69 139 417 3197 9591 814643 2443929 18736789 56210367 113235377 339706131 2604413671 7813241013