Search a number
-
+
211222213221010 = 25232981593080093
BaseRepresentation
bin110000000001101100000000…
…111111001101101010010010
31000200212122110012122222002111
4300001230000333031222102
5210141131043041033020
62025122051205335534
762330205230644345
oct6001540077155222
91020778405588074
10211222213221010
11613359238a2152
121b834343a075aa
1390b2227a8a054
143a232d148245c
151964593db7d5a
hexc01b00fcda92

211222213221010 has 32 divisors (see below), whose sum is σ = 396731877281280. Its totient is φ = 80815158207168.

The previous prime is 211222213220969. The next prime is 211222213221101. The reversal of 211222213221010 is 10122312222112.

It is a super-2 number, since 2×2112222132210102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67036524 + ... + 70116616.

It is an arithmetic number, because the mean of its divisors is an integer number (12397871165040).

Almost surely, 2211222213221010 is an apocalyptic number.

211222213221010 is a deficient number, since it is larger than the sum of its proper divisors (185509664060270).

211222213221010 is a wasteful number, since it uses less digits than its factorization.

211222213221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378282.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 211222213221010 its reverse (10122312222112), we get a palindrome (221344525443122).

The spelling of 211222213221010 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 298159 596318 1490795 2981590 3080093 6160186 6857657 13715314 15400465 30800930 34288285 68576570 70842139 141684278 354210695 708421390 918357448787 1836714897574 4591787243935 9183574487870 21122221322101 42244442644202 105611106610505 211222213221010