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29954848247993 = 37809590493189
BaseRepresentation
bin1101100111110011010000…
…00101101101000010111001
310221001122200212201002210202
412303321220011231002321
512411240012122413433
6143413022312251545
76211111031003234
oct663715005550271
9127048625632722
1029954848247993
1195a9863a07529
12343954a0a0bb5
131393964c67926
14757b728d841b
1536e2dadb1ee8
hex1b3e6816d0b9

29954848247993 has 4 divisors (see below), whose sum is σ = 30764438741220. Its totient is φ = 29145257754768.

The previous prime is 29954848247957. The next prime is 29954848248079. The reversal of 29954848247993 is 39974284845992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26864857329424 + 3089990918569 = 5183132^2 + 1757837^2 .

It is a cyclic number.

It is not a de Polignac number, because 29954848247993 - 210 = 29954848246969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29954848247393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404795246558 + ... + 404795246631.

It is an arithmetic number, because the mean of its divisors is an integer number (7691109685305).

Almost surely, 229954848247993 is an apocalyptic number.

It is an amenable number.

29954848247993 is a deficient number, since it is larger than the sum of its proper divisors (809590493227).

29954848247993 is an equidigital number, since it uses as much as digits as its factorization.

29954848247993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809590493226.

The product of its digits is 11287019520, while the sum is 83.

The spelling of 29954848247993 in words is "twenty-nine trillion, nine hundred fifty-four billion, eight hundred forty-eight million, two hundred forty-seven thousand, nine hundred ninety-three".

Divisors: 1 37 809590493189 29954848247993