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49038987017679 = 3133967122017579
BaseRepresentation
bin10110010011001110001110…
…11001101011110111001111
320102122002012022200112122120
423021213013121223313033
522411423321134031204
6252144111041544023
713220643546021501
oct1311470731536717
9212562168615576
1049038987017679
111469735480066a
125600101645013
1321494836a5689
14c176dd001d71
155a093aed76d9
hex2c99c766bdcf

49038987017679 has 8 divisors (see below), whose sum is σ = 65385804629760. Its totient is φ = 32692413708696.

The previous prime is 49038987017569. The next prime is 49038987017707. The reversal of 49038987017679 is 97671078983094.

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

It is not a de Polignac number, because 49038987017679 - 217 = 49038986886607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49038987017179) 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, 60606889 + ... + 61410690.

It is an arithmetic number, because the mean of its divisors is an integer number (8173225578720).

Almost surely, 249038987017679 is an apocalyptic number.

49038987017679 is a deficient number, since it is larger than the sum of its proper divisors (16346817612081).

49038987017679 is a wasteful number, since it uses less digits than its factorization.

49038987017679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122151549.

The product of its (nonzero) digits is 1152216576, while the sum is 78.

The spelling of 49038987017679 in words is "forty-nine trillion, thirty-eight billion, nine hundred eighty-seven million, seventeen thousand, six hundred seventy-nine".

Divisors: 1 3 133967 401901 122017579 366052737 16346329005893 49038987017679