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10211002212 = 223850916851
BaseRepresentation
bin10011000001001111…
…11000011101100100
3222100121210122202010
421200213320131210
5131403004032322
64405121114220
7511016041515
oct114047703544
928317718663
1010211002212
11436a932104
121b8b788970
13c69627558
146cc1aaa0c
153eb68c20c
hex2609f8764

10211002212 has 12 divisors (see below), whose sum is σ = 23825671856. Its totient is φ = 3403667400.

The previous prime is 10211002187. The next prime is 10211002223. The reversal of 10211002212 is 21220011201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 850916851 = 10211002212 / (1 + 0 + 2 + 1 + 1 + 0 + 0 + 2 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425458414 + ... + 425458437.

Almost surely, 210211002212 is an apocalyptic number.

10211002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211002212 is an abundant number, since it is smaller than the sum of its proper divisors (13614669644).

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

10211002212 is a wasteful number, since it uses less digits than its factorization.

10211002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850916858 (or 850916856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10211002212 its reverse (21220011201), we get a palindrome (31431013413).

The spelling of 10211002212 in words is "ten billion, two hundred eleven million, two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 850916851 1701833702 2552750553 3403667404 5105501106 10211002212