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49805036385 = 3513416229523
BaseRepresentation
bin101110011000100111…
…001000101101100001
311202112222221222211020
4232120213020231201
51304000042131020
634514034440053
73412133552466
oct563047105541
9152488858736
1049805036385
111a13870aaa5
12979b733029
134909559c40
1425a689d66d
1514676d2c40
hexb989c8b61

49805036385 has 32 divisors (see below), whose sum is σ = 87911042688. Its totient is φ = 23921364480.

The previous prime is 49805036383. The next prime is 49805036389. The reversal of 49805036385 is 58363050894.

It is a happy number.

It is not a de Polignac number, because 49805036385 - 21 = 49805036383 is a prime.

It is a super-2 number, since 2×498050363852 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49805036383) 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 31 ways as a sum of consecutive naturals, for example, 3106767 + ... + 3122756.

It is an arithmetic number, because the mean of its divisors is an integer number (2747220084).

Almost surely, 249805036385 is an apocalyptic number.

It is an amenable number.

49805036385 is a deficient number, since it is larger than the sum of its proper divisors (38106006303).

49805036385 is a wasteful number, since it uses less digits than its factorization.

49805036385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229585.

The product of its (nonzero) digits is 3110400, while the sum is 51.

It can be divided in two parts, 498050 and 36385, that added together give a palindrome (534435).

The spelling of 49805036385 in words is "forty-nine billion, eight hundred five million, thirty-six thousand, three hundred eighty-five".

Divisors: 1 3 5 13 15 39 41 65 123 195 205 533 615 1599 2665 7995 6229523 18688569 31147615 80983799 93442845 242951397 255410443 404918995 766231329 1214756985 1277052215 3320335759 3831156645 9961007277 16601678795 49805036385