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49938472511 = 1511632028947
BaseRepresentation
bin101110100000100100…
…001001111000111111
311202220022001020202222
4232200210021320333
51304233222110021
634535202435555
73415344004214
oct564044117077
9152808036688
1049938472511
111a1a6a69594
129818362bbb
13492b0a9725
1425ba4b5b0b
15147428e6ab
hexba0909e3f

49938472511 has 8 divisors (see below), whose sum is σ = 50577615744. Its totient is φ = 49303387800.

The previous prime is 49938472481. The next prime is 49938472523. The reversal of 49938472511 is 11527483994.

49938472511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49938472511 is a prime.

It is a super-3 number, since 3×499384725113 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49938472541) 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, 989861 + ... + 1039086.

It is an arithmetic number, because the mean of its divisors is an integer number (6322201968).

Almost surely, 249938472511 is an apocalyptic number.

49938472511 is a deficient number, since it is larger than the sum of its proper divisors (639143233).

49938472511 is a wasteful number, since it uses less digits than its factorization.

49938472511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029261.

The product of its digits is 2177280, while the sum is 53.

The spelling of 49938472511 in words is "forty-nine billion, nine hundred thirty-eight million, four hundred seventy-two thousand, five hundred eleven".

Divisors: 1 151 163 24613 2028947 306370997 330718361 49938472511