Search a number
-
+
49690091133 = 325521121237
BaseRepresentation
bin101110010001110000…
…101001111001111101
311202020222200011120200
4232101300221321331
51303231130404013
634454411034113
73406236543234
oct562160517175
9152228604520
1049690091133
111a089840a21
12976913b939
1348bb7b29b7
1425954dbb1b
15145c579e73
hexb91c29e7d

49690091133 has 6 divisors (see below), whose sum is σ = 71774576094. Its totient is φ = 33126727416.

The previous prime is 49690091119. The next prime is 49690091141. The reversal of 49690091133 is 33119009694.

It can be written as a sum of positive squares in only one way, i.e., 45080631684 + 4609459449 = 212322^2 + 67893^2 .

It is not a de Polignac number, because 49690091133 - 212 = 49690087037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690091153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2760560610 + ... + 2760560627.

It is an arithmetic number, because the mean of its divisors is an integer number (11962429349).

Almost surely, 249690091133 is an apocalyptic number.

It is an amenable number.

49690091133 is a deficient number, since it is larger than the sum of its proper divisors (22084484961).

49690091133 is a wasteful number, since it uses less digits than its factorization.

49690091133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521121243 (or 5521121240 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 49690091133 in words is "forty-nine billion, six hundred ninety million, ninety-one thousand, one hundred thirty-three".

Divisors: 1 3 9 5521121237 16563363711 49690091133