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8139098473 = 11739918043
BaseRepresentation
bin1111001010010000…
…01100100101101001
3210000020011001010121
413211020030211221
5113132102122343
63423345043241
7405460124032
oct74510144551
923006131117
108139098473
1134a7344170
1216b1926521
139c92c5ccc
14572d55a89
15329824aed
hex1e520c969

8139098473 has 4 divisors (see below), whose sum is σ = 8879016528. Its totient is φ = 7399180420.

The previous prime is 8139098459. The next prime is 8139098489. The reversal of 8139098473 is 3748909318.

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.

It is a cyclic number.

It is not a de Polignac number, because 8139098473 - 217 = 8138967401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8139098473.

It is not an unprimeable number, because it can be changed into a prime (8139098173) 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, 369959011 + ... + 369959032.

It is an arithmetic number, because the mean of its divisors is an integer number (2219754132).

Almost surely, 28139098473 is an apocalyptic number.

It is an amenable number.

8139098473 is a deficient number, since it is larger than the sum of its proper divisors (739918055).

8139098473 is a wasteful number, since it uses less digits than its factorization.

8139098473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739918054.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 8139098473 is about 90216.9522484549. The cubic root of 8139098473 is about 2011.5249990472.

The spelling of 8139098473 in words is "eight billion, one hundred thirty-nine million, ninety-eight thousand, four hundred seventy-three".

Divisors: 1 11 739918043 8139098473