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2211211220190 = 235712782910057
BaseRepresentation
bin100000001011010110011…
…101011001010011011110
321211101112010000112022220
4200023112131121103132
5242212030033021230
64411452202250210
7315516606153150
oct40132635312336
97741463015286
102211211220190
117828510a6715
122b866a1b6966
1313069349323b
1479047904ad0
153c7ba814d10
hex202d67594de

2211211220190 has 64 divisors (see below), whose sum is σ = 6112792756224. Its totient is φ = 501440018688.

The previous prime is 2211211220159. The next prime is 2211211220191. The reversal of 2211211220190 is 910221121122.

2211211220190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22112112201902 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211211220190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211220191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41428359 + ... + 41481698.

It is an arithmetic number, because the mean of its divisors is an integer number (95512386816).

Almost surely, 22211211220190 is an apocalyptic number.

2211211220190 is an abundant number, since it is smaller than the sum of its proper divisors (3901581536034).

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

2211211220190 is a wasteful number, since it uses less digits than its factorization.

2211211220190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82910201.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 2211211220190 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 127 210 254 381 635 762 889 1270 1778 1905 2667 3810 4445 5334 8890 13335 26670 82910057 165820114 248730171 414550285 497460342 580370399 829100570 1160740798 1243650855 1741111197 2487301710 2901851995 3482222394 5803703990 8705555985 10529577239 17411111970 21059154478 31588731717 52647886195 63177463434 73707040673 105295772390 147414081346 157943658585 221121122019 315887317170 368535203365 442242244038 737070406730 1105605610095 2211211220190