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2002131222213 = 35287911262081
BaseRepresentation
bin11101001000101000010…
…100011111111011000101
321002101211222010011020010
4131020220110133323011
5230300331043102323
64131433312300433
7264435451410633
oct35105024377305
97071758104203
102002131222213
1170210a974661
12284039841719
13116a52c645c5
146cc91946353
1537130160c93
hex1d22851fec5

2002131222213 has 8 divisors (see below), whose sum is σ = 2669515459776. Its totient is φ = 1334750566400.

The previous prime is 2002131222211. The next prime is 2002131222239. The reversal of 2002131222213 is 3122221312002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002131222213 - 21 = 2002131222211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002131222213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002131222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955333 + ... + 2217413.

It is an arithmetic number, because the mean of its divisors is an integer number (333689432472).

Almost surely, 22002131222213 is an apocalyptic number.

It is an amenable number.

2002131222213 is a deficient number, since it is larger than the sum of its proper divisors (667384237563).

2002131222213 is a wasteful number, since it uses less digits than its factorization.

2002131222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790875.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2002131222213 its reverse (3122221312002), we get a palindrome (5124352534215).

The spelling of 2002131222213 in words is "two trillion, two billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 528791 1262081 1586373 3786243 667377074071 2002131222213