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12302023500 = 22335313191367
BaseRepresentation
bin10110111010100000…
…11111101101001100
31011202100102112201000
423131100133231030
5200143304223000
65352415020300
7613566321504
oct133520375514
934670375630
1012302023500
115243198378
122473b0a690
1312108c0660
14849b9aa04
154c002e000
hex2dd41fb4c

12302023500 has 384 divisors, whose sum is σ = 43207557120. Its totient is φ = 3004128000.

The previous prime is 12302023469. The next prime is 12302023571. The reversal of 12302023500 is 532020321.

12302023500 is a `hidden beast` number, since 12 + 302 + 0 + 2 + 350 + 0 = 666.

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

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 127 ways as a sum of consecutive naturals, for example, 33520317 + ... + 33520683.

It is an arithmetic number, because the mean of its divisors is an integer number (112519680).

Almost surely, 212302023500 is an apocalyptic number.

12302023500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302023500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21603778560).

12302023500 is an abundant number, since it is smaller than the sum of its proper divisors (30905533620).

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

12302023500 is a wasteful number, since it uses less digits than its factorization.

12302023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 12302023500 its reverse (532020321), we get a palindrome (12834043821).

The spelling of 12302023500 in words is "twelve billion, three hundred two million, twenty-three thousand, five hundred".