Search a number
-
+
49568981450 = 252991379629
BaseRepresentation
bin101110001010100010…
…101010000111001010
311201221112210011022212
4232022202222013022
51303004124401300
634434403145122
73403236250622
oct561242520712
9151845704285
1049568981450
111a02744147a
1297346751a2
13489c68a971
1425833b3882
151451b05935
hexb8a8aa1ca

49568981450 has 12 divisors (see below), whose sum is σ = 92198305590. Its totient is φ = 19827592560.

The previous prime is 49568981417. The next prime is 49568981477. The reversal of 49568981450 is 5418986594.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20834324281 + 28734657169 = 144341^2 + 169513^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49568981450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495689765 + ... + 495689864.

Almost surely, 249568981450 is an apocalyptic number.

49568981450 is a deficient number, since it is larger than the sum of its proper divisors (42629324140).

49568981450 is a wasteful number, since it uses less digits than its factorization.

49568981450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991379641 (or 991379636 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 49568981450 in words is "forty-nine billion, five hundred sixty-eight million, nine hundred eighty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 991379629 1982759258 4956898145 9913796290 24784490725 49568981450