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40371428239 is a prime number
BaseRepresentation
bin100101100110010100…
…110001101110001111
310212012112222001020221
4211212110301232033
51130140041200424
630314003452211
72626304322652
oct454624615617
9125175861227
1040371428239
111613768962a
1279a8387067
133a64ccbc9c
141d4da55899
1510b44049e4
hex966531b8f

40371428239 has 2 divisors, whose sum is σ = 40371428240. Its totient is φ = 40371428238.

The previous prime is 40371428183. The next prime is 40371428243. The reversal of 40371428239 is 93282417304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40371428239 - 229 = 39834557327 is a prime.

It is a super-2 number, since 2×403714282392 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40371428195 and 40371428204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40371425239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185714119 + 20185714120.

It is an arithmetic number, because the mean of its divisors is an integer number (20185714120).

Almost surely, 240371428239 is an apocalyptic number.

40371428239 is a deficient number, since it is larger than the sum of its proper divisors (1).

40371428239 is an equidigital number, since it uses as much as digits as its factorization.

40371428239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 40371428239 in words is "forty billion, three hundred seventy-one million, four hundred twenty-eight thousand, two hundred thirty-nine".