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190000111111002 = 23210555561728389
BaseRepresentation
bin101011001100110111011001…
…001000010100101101011010
3220220201211111102110211101100
4223030313121020110231122
5144400430211421023002
61512032502425532230
755010024606240043
oct5314673110245532
9826654442424340
10190000111111002
11555a365a47a705
1219387364944076
138202c1a16761a
1434cc0a95798ca
1516e7513c9811c
hexaccdd9214b5a

190000111111002 has 12 divisors (see below), whose sum is σ = 411666907407210. Its totient is φ = 63333370370328.

The previous prime is 190000111110937. The next prime is 190000111111003. The reversal of 190000111111002 is 200111111000091.

190000111111002 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., 126786496522401 + 63213614588601 = 11259951^2 + 7950699^2 .

It is a super-2 number, since 2×1900001111110022 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 10555561728389 = 190000111111002 / (1 + 9 + 0 + 0 + 0 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (190000111111003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5277780864177 + ... + 5277780864212.

Almost surely, 2190000111111002 is an apocalyptic number.

190000111111002 is an abundant number, since it is smaller than the sum of its proper divisors (221666796296208).

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

190000111111002 is a wasteful number, since it uses less digits than its factorization.

190000111111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555561728397 (or 10555561728394 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

Adding to 190000111111002 its reverse (200111111000091), we get a palindrome (390111222111093).

The spelling of 190000111111002 in words is "one hundred ninety trillion, one hundred eleven million, one hundred eleven thousand, two".

Divisors: 1 2 3 6 9 18 10555561728389 21111123456778 31666685185167 63333370370334 95000055555501 190000111111002