Search a number
-
+
211212112211002 = 27292707192178381
BaseRepresentation
bin110000000001100010100110…
…111010111010110000111010
31000200211200101020211111021201
4300001202212322322300322
5210140444401211223002
62025113301013524414
762326400015532520
oct6001424672726072
91020750336744251
10211212112211002
11613316100668a1
121b8323a504370a
1390b12a8194456
143a22a13b48310
1519641a2206087
hexc018a6ebac3a

211212112211002 has 32 divisors (see below), whose sum is σ = 374701722088320. Its totient is φ = 87365828975040.

The previous prime is 211212112210997. The next prime is 211212112211003. The reversal of 211212112211002 is 200112211212112.

It is a happy number.

It is a super-2 number, since 2×2112121122110022 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212112211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94990149 + ... + 97188232.

It is an arithmetic number, because the mean of its divisors is an integer number (11709428815260).

Almost surely, 2211212112211002 is an apocalyptic number.

211212112211002 is a deficient number, since it is larger than the sum of its proper divisors (163489609877318).

211212112211002 is a wasteful number, since it uses less digits than its factorization.

211212112211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192181126.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211212112211002 its reverse (200112211212112), we get a palindrome (411324323423114).

The spelling of 211212112211002 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred twelve million, two hundred eleven thousand, two".

Divisors: 1 2 7 14 29 58 203 406 2707 5414 18949 37898 78503 157006 549521 1099042 192178381 384356762 1345248667 2690497334 5573173049 11146346098 39012211343 78024422686 520226877367 1040453754734 3641588141569 7283176283138 15086579443643 30173158887286 105606056105501 211212112211002