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53873939806 = 231868934513
BaseRepresentation
bin110010001011001000…
…110001010101011110
312011001120022200222221
4302023020301111132
51340313212033211
640425505255554
73615021634621
oct621310612536
9164046280887
1053873939806
11209364863a5
12a5363345ba
135107524cbb
14287102bdb8
151604a18c71
hexc8b23155e

53873939806 has 8 divisors (see below), whose sum is σ = 83417713344. Its totient is φ = 26068035360.

The previous prime is 53873939797. The next prime is 53873939809. The reversal of 53873939806 is 60893937835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×538739398062 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53873939809) 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 3 ways as a sum of consecutive naturals, for example, 434467195 + ... + 434467318.

It is an arithmetic number, because the mean of its divisors is an integer number (10427214168).

Almost surely, 253873939806 is an apocalyptic number.

53873939806 is a deficient number, since it is larger than the sum of its proper divisors (29543773538).

53873939806 is a wasteful number, since it uses less digits than its factorization.

53873939806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868934546.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 53873939806 in words is "fifty-three billion, eight hundred seventy-three million, nine hundred thirty-nine thousand, eight hundred six".

Divisors: 1 2 31 62 868934513 1737869026 26936969903 53873939806