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1012232022018 = 23734747693607
BaseRepresentation
bin11101011101011011011…
…10101110100000000010
310120202202012010112012120
432232231232232200002
5113041022344201033
62053002445105110
7133063024136550
oct16565556564002
93522665115176
101012232022018
113603156510a8
12144216558196
13745b7519aa9
1436dc6bc0bd0
151b4e55691b3
hexebadbae802

1012232022018 has 32 divisors (see below), whose sum is σ = 2313743115264. Its totient is φ = 289200408912.

The previous prime is 1012232021993. The next prime is 1012232022019. The reversal of 1012232022018 is 8102202322101.

It is a super-2 number, since 2×10122320220182 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012232022019) 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, 1112571 + ... + 1806177.

It is an arithmetic number, because the mean of its divisors is an integer number (72304472352).

Almost surely, 21012232022018 is an apocalyptic number.

1012232022018 is an abundant number, since it is smaller than the sum of its proper divisors (1301511093246).

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

1012232022018 is a wasteful number, since it uses less digits than its factorization.

1012232022018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728366.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1012232022018 its reverse (8102202322101), we get a palindrome (9114434344119).

The spelling of 1012232022018 in words is "one trillion, twelve billion, two hundred thirty-two million, twenty-two thousand, eighteen".

Divisors: 1 2 3 6 7 14 21 42 34747 69494 104241 208482 243229 486458 693607 729687 1387214 1459374 2080821 4161642 4855249 9710498 14565747 29131494 24100762429 48201524858 72302287287 144604574574 168705337003 337410674006 506116011009 1012232022018