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107940502849 = 3285432
BaseRepresentation
bin110010010000111000…
…0010101110101000001
3101022121120002200101211
41210201300111311001
53232030232042344
6121330455330121
710540603064404
oct1444160256501
9338546080354
10107940502849
1141860666453
1218b05080941
13a24292073a
14531d87bd3b
152c1b3d1334
hex1921c15d41

107940502849 has 3 divisors (see below), whose sum is σ = 107940831393. Its totient is φ = 107940174306.

The previous prime is 107940502823. The next prime is 107940502877. The reversal of 107940502849 is 948205049701.

The square root of 107940502849 is 328543.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 107940502849 - 27 = 107940502721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107940500849) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 164272 + ... + 492814.

It is an arithmetic number, because the mean of its divisors is an integer number (35980277131).

Almost surely, 2107940502849 is an apocalyptic number.

107940502849 is the 328543-rd square number.

107940502849 is the 164272-nd centered octagonal number.

It is an amenable number.

107940502849 is a deficient number, since it is larger than the sum of its proper divisors (328544).

107940502849 is an frugal number, since it uses more digits than its factorization.

107940502849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657086 (or 328543 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 107940502849 by its sum of digits (49), we get a square (5289084639601 = 22998012).

The spelling of 107940502849 in words is "one hundred seven billion, nine hundred forty million, five hundred two thousand, eight hundred forty-nine".

Divisors: 1 328543 107940502849