Base | Representation |
---|---|
bin | 11111000000110001010… |
… | …111011010111101001011 |
3 | 21112201211020211202120110 |
4 | 133000301113122331023 |
5 | 234404024243031443 |
6 | 4311010054525403 |
7 | 306653303063115 |
oct | 37006127327513 |
9 | 7481736752513 |
10 | 2131132002123 |
11 | 751898502963 |
12 | 2a503b966863 |
13 | 125c70b12c37 |
14 | 7520c4283b5 |
15 | 3a6803e9233 |
hex | 1f0315daf4b |
2131132002123 has 16 divisors (see below), whose sum is σ = 2991123273600. Its totient is φ = 1345950740160.
The previous prime is 2131132002121. The next prime is 2131132002137. The reversal of 2131132002123 is 3212002311312.
It is not a de Polignac number, because 2131132002123 - 21 = 2131132002121 is a prime.
It is a super-2 number, since 2×21311320021232 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2131132002123.
It is not an unprimeable number, because it can be changed into a prime (2131132002121) 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 15 ways as a sum of consecutive naturals, for example, 2659303 + ... + 3366623.
It is an arithmetic number, because the mean of its divisors is an integer number (186945204600).
Almost surely, 22131132002123 is an apocalyptic number.
2131132002123 is a deficient number, since it is larger than the sum of its proper divisors (859991271477).
2131132002123 is a wasteful number, since it uses less digits than its factorization.
2131132002123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 760202.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2131132002123 its reverse (3212002311312), we get a palindrome (5343134313435).
The spelling of 2131132002123 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-two million, two thousand, one hundred twenty-three".
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