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42030163102 = 221015081551
BaseRepresentation
bin100111001001001100…
…010110010010011110
311000111011011111201111
4213021030112102132
51142034210204402
631150340132234
73015355330444
oct471114262236
9130434144644
1042030163102
1116908a27694
12818b99707a
133c6a85abc5
14206a078b94
15115ed569d7
hex9c931649e

42030163102 has 4 divisors (see below), whose sum is σ = 63045244656. Its totient is φ = 21015081550.

The previous prime is 42030163067. The next prime is 42030163117. The reversal of 42030163102 is 20136103024.

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

It is a super-2 number, since 2×420301631022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10507540774 + ... + 10507540777.

It is an arithmetic number, because the mean of its divisors is an integer number (15761311164).

Almost surely, 242030163102 is an apocalyptic number.

42030163102 is a deficient number, since it is larger than the sum of its proper divisors (21015081554).

42030163102 is a wasteful number, since it uses less digits than its factorization.

42030163102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21015081553.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 42030163102 its reverse (20136103024), we get a palindrome (62166266126).

The spelling of 42030163102 in words is "forty-two billion, thirty million, one hundred sixty-three thousand, one hundred two".

Divisors: 1 2 21015081551 42030163102