Base | Representation |
---|---|
bin | 11111000000101111011… |
… | …110000111100001011110 |
3 | 21112201202001000012111221 |
4 | 133000233132013201132 |
5 | 234403443122444402 |
6 | 4311003001203554 |
7 | 306652435562443 |
oct | 37005736074136 |
9 | 7481661005457 |
10 | 2131100203102 |
11 | 751881563882 |
12 | 2a50311905ba |
13 | 125c6735b150 |
14 | 7520810b9ca |
15 | 3a67c717337 |
hex | 1f02f78785e |
2131100203102 has 64 divisors (see below), whose sum is σ = 3633527439360. Its totient is φ = 930680150400.
The previous prime is 2131100203097. The next prime is 2131100203103. The reversal of 2131100203102 is 2013020011312.
It is a super-2 number, since 2×21311002031022 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131100203103) 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 31 ways as a sum of consecutive naturals, for example, 6395952 + ... + 6720892.
It is an arithmetic number, because the mean of its divisors is an integer number (56773866240).
Almost surely, 22131100203102 is an apocalyptic number.
2131100203102 is a deficient number, since it is larger than the sum of its proper divisors (1502427236258).
2131100203102 is a wasteful number, since it uses less digits than its factorization.
2131100203102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325169.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 2131100203102 its reverse (2013020011312), we get a palindrome (4144120214414).
The spelling of 2131100203102 in words is "two trillion, one hundred thirty-one billion, one hundred million, two hundred three thousand, one hundred two".
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