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20011210119 = 3217467280069
BaseRepresentation
bin10010101000110000…
…101101010110000111
31220122121121210122100
4102220300231112013
5311440332210434
613105405403143
71305616323315
oct225060552607
956577553570
1020011210119
11853989638a
123a658694b3
131b6bb01244
14d7b9a30b5
157c1c32699
hex4a8c2d587

20011210119 has 24 divisors (see below), whose sum is σ = 30671025840. Its totient is φ = 12529122048.

The previous prime is 20011210091. The next prime is 20011210123. The reversal of 20011210119 is 91101211002.

It is a happy number.

It is not a de Polignac number, because 20011210119 - 28 = 20011209863 is a prime.

It is a super-2 number, since 2×200112101192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011210189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68584 + ... + 211485.

It is an arithmetic number, because the mean of its divisors is an integer number (1277959410).

Almost surely, 220011210119 is an apocalyptic number.

20011210119 is a deficient number, since it is larger than the sum of its proper divisors (10659815721).

20011210119 is a wasteful number, since it uses less digits than its factorization.

20011210119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280559 (or 280556 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 20011210119 in words is "twenty billion, eleven million, two hundred ten thousand, one hundred nineteen".

Divisors: 1 3 9 17 51 153 467 1401 4203 7939 23817 71451 280069 840207 2520621 4761173 14283519 42850557 130792223 392376669 1177130007 2223467791 6670403373 20011210119