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222030131012312 = 23712287633226679
BaseRepresentation
bin110010011110111101101011…
…000101101010001011011000
31002010010212120120202102200012
4302132331223011222023120
5213100220202014343222
62104115122320501052
764524101425251440
oct6236755305521330
91063125516672605
10222030131012312
11648224a4708737
1220a9ab1577a788
1396b747538053c
143cb845c321120
151aa07a72aa1e2
hexc9ef6b16a2d8

222030131012312 has 32 divisors (see below), whose sum is σ = 475779386822400. Its totient is φ = 95155663503264.

The previous prime is 222030131012233. The next prime is 222030131012323. The reversal of 222030131012312 is 213210131030222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67197389 + ... + 70424067.

It is an arithmetic number, because the mean of its divisors is an integer number (14868105838200).

Almost surely, 2222030131012312 is an apocalyptic number.

It is an amenable number.

222030131012312 is an abundant number, since it is smaller than the sum of its proper divisors (253749255810088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222030131012312 is a wasteful number, since it uses less digits than its factorization.

222030131012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455455 (or 4455451 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 222030131012312 its reverse (213210131030222), we get a palindrome (435240262042534).

The spelling of 222030131012312 in words is "two hundred twenty-two trillion, thirty billion, one hundred thirty-one million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 1228763 2457526 3226679 4915052 6453358 8601341 9830104 12906716 17202682 22586753 25813432 34405364 45173506 68810728 90347012 180694024 3964823768077 7929647536154 15859295072308 27753766376539 31718590144616 55507532753078 111015065506156 222030131012312