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213918001074 = 23211884333393
BaseRepresentation
bin1100011100111010000…
…0011010011110110010
3202110011022110101200200
43013032200122132302
512001101002013244
6242134513100030
721312042002421
oct3071640323662
9673138411620
10213918001074
11827a4153428
1235560857616
131723194ab7b
14a4d47312b8
1558702ab669
hex31ce81a7b2

213918001074 has 12 divisors (see below), whose sum is σ = 463489002366. Its totient is φ = 71306000352.

The previous prime is 213918001051. The next prime is 213918001081. The reversal of 213918001074 is 470100819312.

It is a happy number.

213918001074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 184218648849 + 29699352225 = 429207^2 + 172335^2 .

It is a super-2 number, since 2×2139180010742 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5942166679 + ... + 5942166714.

Almost surely, 2213918001074 is an apocalyptic number.

213918001074 is an abundant number, since it is smaller than the sum of its proper divisors (249571001292).

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

213918001074 is a wasteful number, since it uses less digits than its factorization.

213918001074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884333401 (or 11884333398 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 213918001074 in words is "two hundred thirteen billion, nine hundred eighteen million, one thousand, seventy-four".

Divisors: 1 2 3 6 9 18 11884333393 23768666786 35653000179 71306000358 106959000537 213918001074