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1409873381831 = 1782933728343
BaseRepresentation
bin10100100001000011000…
…000001000100111000111
311222210010111111120010102
4110201003000020213013
5141044410041204311
62555404211314315
7203600656004555
oct24410300104707
94883114446112
101409873381831
114a3a18850192
121a92ab8ab99b
13a2c482c0c45
144c349a0cbd5
1526a19d5b43b
hex148430089c7

1409873381831 has 4 divisors (see below), whose sum is σ = 1492807110192. Its totient is φ = 1326939653472.

The previous prime is 1409873381809. The next prime is 1409873381863. The reversal of 1409873381831 is 1381833789041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1409873381831 - 210 = 1409873380807 is a prime.

It is a super-2 number, since 2×14098733818312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409873381431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41466864155 + ... + 41466864188.

It is an arithmetic number, because the mean of its divisors is an integer number (373201777548).

Almost surely, 21409873381831 is an apocalyptic number.

1409873381831 is a deficient number, since it is larger than the sum of its proper divisors (82933728361).

1409873381831 is an equidigital number, since it uses as much as digits as its factorization.

1409873381831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82933728360.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 1409873381831 in words is "one trillion, four hundred nine billion, eight hundred seventy-three million, three hundred eighty-one thousand, eight hundred thirty-one".

Divisors: 1 17 82933728343 1409873381831