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123030215355014 = 21133711658938747
BaseRepresentation
bin11011111110010100110100…
…010010000110101010000110
3121010121120111020120101022022
4123332110310102012222012
5112111211340112330024
61113355144540203142
734625432266546262
oct3376246422065206
9533546436511268
10123030215355014
11362239041a4370
12119700b62394b2
135385912b24066
1422549a0c2d0a2
15e3547186235e
hex6fe534486a86

123030215355014 has 16 divisors (see below), whose sum is σ = 201381892497216. Its totient is φ = 55906235740200.

The previous prime is 123030215355013. The next prime is 123030215355023. The reversal of 123030215355014 is 410553512030321.

It is a happy number.

It is a super-2 number, since 2×1230302153550142 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030215355013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829395212 + ... + 829543535.

It is an arithmetic number, because the mean of its divisors is an integer number (12586368281076).

Almost surely, 2123030215355014 is an apocalyptic number.

123030215355014 is a deficient number, since it is larger than the sum of its proper divisors (78351677142202).

123030215355014 is a wasteful number, since it uses less digits than its factorization.

123030215355014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658942131.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 123030215355014 its reverse (410553512030321), we get a palindrome (533583727385335).

The spelling of 123030215355014 in words is "one hundred twenty-three trillion, thirty billion, two hundred fifteen million, three hundred fifty-five thousand, fourteen".

Divisors: 1 2 11 22 3371 6742 37081 74162 1658938747 3317877494 18248326217 36496652434 5592282516137 11184565032274 61515107677507 123030215355014