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42450300331 = 139901303431
BaseRepresentation
bin100111100010001111…
…000010110110101011
311001120102201200122121
4213202033002312223
51143414234102311
631300145132111
73031646412355
oct474217026653
9131512650577
1042450300331
11170040a6a3a
12828862a037
13400690020a
1420a9ba20d5
151186b96b71
hex9e23c2dab

42450300331 has 4 divisors (see below), whose sum is σ = 42450743664. Its totient is φ = 42449857000.

The previous prime is 42450300317. The next prime is 42450300377. The reversal of 42450300331 is 13300305424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42450300331 - 27 = 42450300203 is a prime.

It is a super-2 number, since 2×424503003312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42450300296 and 42450300305.

It is not an unprimeable number, because it can be changed into a prime (42450300931) 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 in 3 ways as a sum of consecutive naturals, for example, 11815 + ... + 291616.

It is an arithmetic number, because the mean of its divisors is an integer number (10612685916).

Almost surely, 242450300331 is an apocalyptic number.

42450300331 is a deficient number, since it is larger than the sum of its proper divisors (443333).

42450300331 is a wasteful number, since it uses less digits than its factorization.

42450300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443332.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 42450300331 its reverse (13300305424), we get a palindrome (55750605755).

The spelling of 42450300331 in words is "forty-two billion, four hundred fifty million, three hundred thousand, three hundred thirty-one".

Divisors: 1 139901 303431 42450300331