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133483875881 is a prime number
BaseRepresentation
bin111110001010001000…
…0100100111000101001
3110202112201110110212212
41330110100210320221
54141333333012011
6141153250414505
712433566136616
oct1742420447051
9422481413785
10133483875881
11516791936a4
1221a53591435
13c7838b6c55
14666406b50d
153713b3808b
hex1f14424e29

133483875881 has 2 divisors, whose sum is σ = 133483875882. Its totient is φ = 133483875880.

The previous prime is 133483875857. The next prime is 133483875893. The reversal of 133483875881 is 188578384331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130476998656 + 3006877225 = 361216^2 + 54835^2 .

It is a cyclic number.

It is not a de Polignac number, because 133483875881 - 214 = 133483859497 is a prime.

It is a super-2 number, since 2×1334838758812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133483875881.

It is not a weakly prime, because it can be changed into another prime (133483875821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66741937940 + 66741937941.

It is an arithmetic number, because the mean of its divisors is an integer number (66741937941).

Almost surely, 2133483875881 is an apocalyptic number.

It is an amenable number.

133483875881 is a deficient number, since it is larger than the sum of its proper divisors (1).

133483875881 is an equidigital number, since it uses as much as digits as its factorization.

133483875881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 59.

The spelling of 133483875881 in words is "one hundred thirty-three billion, four hundred eighty-three million, eight hundred seventy-five thousand, eight hundred eighty-one".