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45177350381 is a prime number
BaseRepresentation
bin101010000100110001…
…111010100011101101
311022121111011012001022
4222010301322203231
51220010400203011
632430523223525
73156352066532
oct520461724355
9138544135038
1045177350381
1118183489009
128909977ba5
13434c897cb7
142288036d89
1512962c18db
hexa84c7a8ed

45177350381 has 2 divisors, whose sum is σ = 45177350382. Its totient is φ = 45177350380.

The previous prime is 45177350363. The next prime is 45177350419. The reversal of 45177350381 is 18305377154.

45177350381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43651744900 + 1525605481 = 208930^2 + 39059^2 .

It is a cyclic number.

It is not a de Polignac number, because 45177350381 - 230 = 44103608557 is a prime.

It is a super-2 number, since 2×451773503812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45177350321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22588675190 + 22588675191.

It is an arithmetic number, because the mean of its divisors is an integer number (22588675191).

Almost surely, 245177350381 is an apocalyptic number.

It is an amenable number.

45177350381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45177350381 is an equidigital number, since it uses as much as digits as its factorization.

45177350381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 45177350381 in words is "forty-five billion, one hundred seventy-seven million, three hundred fifty thousand, three hundred eighty-one".