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5523209881 = 72947119027
BaseRepresentation
bin1010010010011010…
…10111111010011001
3112020220220010120221
411021031113322121
542302420204011
62312021320041
7253604336500
oct51115277231
915226803527
105523209881
112384787372
1210a1866021
136a037c137
143a5779837
15224d56971
hex149357e99

5523209881 has 12 divisors (see below), whose sum is σ = 6431797008. Its totient is φ = 4729141032.

The previous prime is 5523209869. The next prime is 5523209929. The reversal of 5523209881 is 1889023255.

It is not a de Polignac number, because 5523209881 - 29 = 5523209369 is a prime.

It is a super-2 number, since 2×55232098812 = 61011694779152068322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5523209801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13111 + ... + 105916.

It is an arithmetic number, because the mean of its divisors is an integer number (535983084).

Almost surely, 25523209881 is an apocalyptic number.

It is an amenable number.

5523209881 is a deficient number, since it is larger than the sum of its proper divisors (908587127).

5523209881 is a wasteful number, since it uses less digits than its factorization.

5523209881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119988 (or 119981 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 5523209881 is about 74318.3011175578. The cubic root of 5523209881 is about 1767.6536820265.

The spelling of 5523209881 in words is "five billion, five hundred twenty-three million, two hundred nine thousand, eight hundred eighty-one".

Divisors: 1 7 49 947 6629 46403 119027 833189 5832323 112718569 789029983 5523209881