Base | Representation |
---|---|
bin | 10001110010001101110… |
… | …110101011000000000110 |
3 | 11022211120210000202221010 |
4 | 101302031312223000012 |
5 | 130010431030201210 |
6 | 2333240453303050 |
7 | 154204013651301 |
oct | 21621566530006 |
9 | 4284523022833 |
10 | 1222150631430 |
11 | 431347196363 |
12 | 178a3b934a86 |
13 | 8b32c6ca101 |
14 | 4321c2b9b38 |
15 | 21bce670920 |
hex | 11c8ddab006 |
1222150631430 has 32 divisors (see below), whose sum is σ = 2933348191200. Its totient is φ = 325886093312.
The previous prime is 1222150631413. The next prime is 1222150631543. The reversal of 1222150631430 is 341360512221.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814185 + ... + 1762724.
It is an arithmetic number, because the mean of its divisors is an integer number (91667130975).
Almost surely, 21222150631430 is an apocalyptic number.
1222150631430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222150631430 is an abundant number, since it is smaller than the sum of its proper divisors (1711197559770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222150631430 is a wasteful number, since it uses less digits than its factorization.
1222150631430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2592728.
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 1222150631430 in words is "one trillion, two hundred twenty-two billion, one hundred fifty million, six hundred thirty-one thousand, four hundred thirty".
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