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12302020000 = 2554615101
BaseRepresentation
bin10110111010100000…
…11110110110100000
31011202100102100220101
423131100132312200
5200143304120000
65352414552144
7613566305344
oct133520366640
934670370811
1012302020000
115243195786
122473b08654
1312108bbb9a
14849b99624
154c002ce6a
hex2dd41eda0

12302020000 has 60 divisors (see below), whose sum is σ = 30264863706. Its totient is φ = 4920800000.

The previous prime is 12302019991. The next prime is 12302020043. The reversal of 12302020000 is 2020321.

12302020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1148125456 + 11153894544 = 33884^2 + 105612^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 287551 + ... + 327550.

Almost surely, 212302020000 is an apocalyptic number.

12302020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302020000 is an abundant number, since it is smaller than the sum of its proper divisors (17962843706).

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

12302020000 is an frugal number, since it uses more digits than its factorization.

12302020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615131 (or 615108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 12302020000 its reverse (2020321), we get a palindrome (12304040321).

The spelling of 12302020000 in words is "twelve billion, three hundred two million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 615101 1230202 2460404 3075505 4920808 6151010 9841616 12302020 15377525 19683232 24604040 30755050 49208080 61510100 76887625 98416160 123020200 153775250 246040400 307550500 384438125 492080800 615101000 768876250 1230202000 1537752500 2460404000 3075505000 6151010000 12302020000