Base | Representation |
---|---|
bin | 101101101010110101… |
… | …001111100010010101 |
3 | 11200120110201210212010 |
4 | 231222311033202111 |
5 | 1300411431414141 |
6 | 34305520414433 |
7 | 3354116321220 |
oct | 555265174225 |
9 | 150513653763 |
10 | 49036982421 |
11 | 19884109759 |
12 | 9606477419 |
13 | 48163b0a3b |
14 | 253288c5b7 |
15 | 142006b416 |
hex | b6ad4f895 |
49036982421 has 16 divisors (see below), whose sum is σ = 74846142464. Its totient is φ = 27974962224.
The previous prime is 49036982419. The next prime is 49036982471. The reversal of 49036982421 is 12428963094.
It is not a de Polignac number, because 49036982421 - 21 = 49036982419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49036982471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910725 + ... + 1936218.
It is an arithmetic number, because the mean of its divisors is an integer number (4677883904).
Almost surely, 249036982421 is an apocalyptic number.
It is an amenable number.
49036982421 is a deficient number, since it is larger than the sum of its proper divisors (25809160043).
49036982421 is a wasteful number, since it uses less digits than its factorization.
49036982421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3847560.
The product of its (nonzero) digits is 746496, while the sum is 48.
The spelling of 49036982421 in words is "forty-nine billion, thirty-six million, nine hundred eighty-two thousand, four hundred twenty-one".
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