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11323030212 = 22321343562663
BaseRepresentation
bin10101000101110011…
…11011101011000100
31002020010021112101100
422202321323223010
5141142143431322
65111323500100
7550411111614
oct124271735304
932203245340
1011323030212
11489061220a
122240087630
1310b5b29ba0
14795b5aa44
154640ebdac
hex2a2e7bac4

11323030212 has 72 divisors (see below), whose sum is σ = 31540693184. Its totient is φ = 3402979776.

The previous prime is 11323030207. The next prime is 11323030231. The reversal of 11323030212 is 21203032311.

It is a super-2 number, since 2×113230302122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261208 + ... + 301455.

Almost surely, 211323030212 is an apocalyptic number.

11323030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11323030212 is an abundant number, since it is smaller than the sum of its proper divisors (20217662972).

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

11323030212 is a wasteful number, since it uses less digits than its factorization.

11323030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562729 (or 562724 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11323030212 its reverse (21203032311), we get a palindrome (32526062523).

The spelling of 11323030212 in words is "eleven billion, three hundred twenty-three million, thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 43 52 78 86 117 129 156 172 234 258 387 468 516 559 774 1118 1548 1677 2236 3354 5031 6708 10062 20124 562663 1125326 1687989 2250652 3375978 5063967 6751956 7314619 10127934 14629238 20255868 21943857 24194509 29258476 43887714 48389018 65831571 72583527 87775428 96778036 131663142 145167054 217750581 263326284 290334108 314528617 435501162 629057234 871002324 943585851 1258114468 1887171702 2830757553 3774343404 5661515106 11323030212