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49886213239 = 234189751769
BaseRepresentation
bin101110011101011100…
…110011010001110111
311202202122201012112101
4232131130303101313
51304131332310424
634530054402531
73414140546632
oct563534632167
9152678635471
1049886213239
111a17a515405
129802960447
13492030cb95
1425b3590c19
15146e8ba344
hexb9d733477

49886213239 has 8 divisors (see below), whose sum is σ = 52057427040. Its totient is φ = 47715186816.

The previous prime is 49886213233. The next prime is 49886213243. The reversal of 49886213239 is 93231268894.

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

It is a cyclic number.

It is not a de Polignac number, because 49886213239 - 23 = 49886213231 is a prime.

It is a super-2 number, since 2×498862132392 (a number of 22 digits) contains 22 as substring.

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 49886213239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49886213231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937747 + ... + 989515.

It is an arithmetic number, because the mean of its divisors is an integer number (6507178380).

Almost surely, 249886213239 is an apocalyptic number.

49886213239 is a deficient number, since it is larger than the sum of its proper divisors (2171213801).

49886213239 is a wasteful number, since it uses less digits than its factorization.

49886213239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93689.

The product of its digits is 4478976, while the sum is 55.

The spelling of 49886213239 in words is "forty-nine billion, eight hundred eighty-six million, two hundred thirteen thousand, two hundred thirty-nine".

Divisors: 1 23 41897 51769 963631 1190687 2168965793 49886213239