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11310000212 = 2271392905961
BaseRepresentation
bin10101000100010000…
…01110100001010100
31002012012202112120202
422202020032201110
5141130330001322
65110140320032
7550162262360
oct124210164124
932165675522
1011310000212
114884222615
122237843018
1310b3217124
147941282a0
15462dc6292
hex2a220e854

11310000212 has 24 divisors (see below), whose sum is σ = 22782742080. Its totient is φ = 4812269760.

The previous prime is 11310000199. The next prime is 11310000263. The reversal of 11310000212 is 21200001311.

It is a super-2 number, since 2×113100002122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11310000193 and 11310000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449089 + ... + 1456872.

It is an arithmetic number, because the mean of its divisors is an integer number (949280920).

Almost surely, 211310000212 is an apocalyptic number.

It is an amenable number.

11310000212 is an abundant number, since it is smaller than the sum of its proper divisors (11472741868).

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

11310000212 is a wasteful number, since it uses less digits than its factorization.

11310000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906111 (or 2906109 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11310000212 its reverse (21200001311), we get a palindrome (32510001523).

The spelling of 11310000212 in words is "eleven billion, three hundred ten million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 139 278 556 973 1946 3892 2905961 5811922 11623844 20341727 40683454 81366908 403928579 807857158 1615714316 2827500053 5655000106 11310000212