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212210300001 = 3721443607483
BaseRepresentation
bin1100010110100010111…
…0000011010001100001
3202021202022010012012210
43011220232003101201
511434101314100001
6241253231112333
721221524534200
oct3055056032141
9667668105183
10212210300001
1181aa8200327
12351649726a9
131701bc0626b
14a3b1a03237
1557c03d5dd6
hex3168b83461

212210300001 has 12 divisors (see below), whose sum is σ = 329142506352. Its totient is φ = 121263028488.

The previous prime is 212210299999. The next prime is 212210300011. The reversal of 212210300001 is 100003012212.

It is not a de Polignac number, because 212210300001 - 21 = 212210299999 is a prime.

It is a super-2 number, since 2×2122103000012 (a number of 23 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 212210300001.

It is not an unprimeable number, because it can be changed into a prime (212210300011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721803595 + ... + 721803888.

It is an arithmetic number, because the mean of its divisors is an integer number (27428542196).

Almost surely, 2212210300001 is an apocalyptic number.

212210300001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212210300001 is a deficient number, since it is larger than the sum of its proper divisors (116932206351).

212210300001 is a wasteful number, since it uses less digits than its factorization.

212210300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443607500 (or 1443607493 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212210300001 its reverse (100003012212), we get a palindrome (312213312213).

The spelling of 212210300001 in words is "two hundred twelve billion, two hundred ten million, three hundred thousand, one".

Divisors: 1 3 7 21 49 147 1443607483 4330822449 10105252381 30315757143 70736766667 212210300001