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50016191449 = 724327432
BaseRepresentation
bin101110100101001100…
…101000001111011001
311210002201021210010011
4232211030220033121
51304413121111244
634551020321521
73420306420100
oct564514501731
9153081253104
1050016191449
111a236921a14
12983a3a32a1
13494121b773
1425c6947037
15147aee2434
hexba53283d9

50016191449 has 27 divisors (see below), whose sum is σ = 59646917493. Its totient is φ = 41817662712.

The previous prime is 50016191441. The next prime is 50016191473. The reversal of 50016191449 is 94419161005.

The square root of 50016191449 is 223643.

It is a perfect power (a square), and thus also a powerful number.

50016191449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50016191449 - 23 = 50016191441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50016191441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 67316172 + ... + 67316914.

Almost surely, 250016191449 is an apocalyptic number.

50016191449 is the 223643-rd square number.

50016191449 is the 111822-nd centered octagonal number.

It is an amenable number.

50016191449 is a deficient number, since it is larger than the sum of its proper divisors (9630726044).

50016191449 is an frugal number, since it uses more digits than its factorization.

50016191449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 50016191449 in words is "fifty billion, sixteen million, one hundred ninety-one thousand, four hundred forty-nine".

Divisors: 1 7 43 49 301 743 1849 2107 5201 12943 31949 36407 90601 223643 552049 1373807 1565501 3864343 9616649 23738107 27050401 67316543 166166749 1020738601 1163167243 7145170207 50016191449