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11230302140 = 225561515107
BaseRepresentation
bin10100111010110000…
…01100111110111100
31001222122210110101022
422131120030332330
5140444424132030
65054212203312
7545203664441
oct123530147674
931878713338
1011230302140
114843238242
122215009538
13109c8612c5
147876dd9c8
1545add1de5
hex29d60cfbc

11230302140 has 12 divisors (see below), whose sum is σ = 23583634536. Its totient is φ = 4492120848.

The previous prime is 11230302137. The next prime is 11230302163. The reversal of 11230302140 is 4120303211.

It is a super-2 number, since 2×112303021402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280757534 + ... + 280757573.

It is an arithmetic number, because the mean of its divisors is an integer number (1965302878).

Almost surely, 211230302140 is an apocalyptic number.

11230302140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230302140 is an abundant number, since it is smaller than the sum of its proper divisors (12353332396).

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

11230302140 is a wasteful number, since it uses less digits than its factorization.

11230302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561515116 (or 561515114 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11230302140 its reverse (4120303211), we get a palindrome (15350605351).

The spelling of 11230302140 in words is "eleven billion, two hundred thirty million, three hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 561515107 1123030214 2246060428 2807575535 5615151070 11230302140