Search a number
-
+
2212003131320 = 235311783873493
BaseRepresentation
bin100000001100000101101…
…010010010111110111000
321211110120022010210011202
4200030011222102332320
5242220140300200240
64412102531513332
7315545333250023
oct40140552227670
97743508123152
102212003131320
11783118112224
122b884b458848
1313078b5733c8
14790c0b661ba
153c8150e0315
hex20305a92fb8

2212003131320 has 32 divisors (see below), whose sum is σ = 5137555662720. Its totient is φ = 856259276160.

The previous prime is 2212003131313. The next prime is 2212003131337. The reversal of 2212003131320 is 231313002122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2212003131292 and 2212003131301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891935507 + ... + 891937986.

It is an arithmetic number, because the mean of its divisors is an integer number (160548614460).

Almost surely, 22212003131320 is an apocalyptic number.

2212003131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212003131320 is an abundant number, since it is smaller than the sum of its proper divisors (2925552531400).

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

2212003131320 is a wasteful number, since it uses less digits than its factorization.

2212003131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783873535 (or 1783873531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2212003131320 its reverse (231313002122), we get a palindrome (2443316133442).

The spelling of 2212003131320 in words is "two trillion, two hundred twelve billion, three million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 1783873493 3567746986 7135493972 8919367465 14270987944 17838734930 35677469860 55300078283 71354939720 110600156566 221200313132 276500391415 442400626264 553000782830 1106001565660 2212003131320