Base | Representation |
---|---|
bin | 11110111001010011010… |
… | …101100111100000111110 |
3 | 21111222010022211110101122 |
4 | 132321103111213200332 |
5 | 234241113134120110 |
6 | 4303202202510542 |
7 | 306250460260121 |
oct | 36712325474076 |
9 | 7458108743348 |
10 | 2123112020030 |
11 | 749452427691 |
12 | 2a3581b05452 |
13 | 1252933c48c1 |
14 | 74a8b23c3b8 |
15 | 3a3612a3255 |
hex | 1ee5356783e |
2123112020030 has 32 divisors (see below), whose sum is σ = 3829491337824. Its totient is φ = 847492039296.
The previous prime is 2123112020021. The next prime is 2123112020033. The reversal of 2123112020030 is 300202113212.
It is a junction number, because it is equal to n+sod(n) for n = 2123112019990 and 2123112020008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123112020033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39077564 + ... + 39131856.
It is an arithmetic number, because the mean of its divisors is an integer number (119671604307).
Almost surely, 22123112020030 is an apocalyptic number.
2123112020030 is a deficient number, since it is larger than the sum of its proper divisors (1706379317794).
2123112020030 is a wasteful number, since it uses less digits than its factorization.
2123112020030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62300.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 2123112020030 its reverse (300202113212), we get a palindrome (2423314133242).
The spelling of 2123112020030 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, twenty thousand, thirty".
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