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120230010 = 23251335889
BaseRepresentation
bin1110010101010…
…01000001111010
322101020022120100
413022221001322
5221234330020
615532540230
72656636545
oct712510172
9271208510
10120230010
116195964a
1234321676
131bba7824
1411d7985c
15a84da90
hex72a907a

120230010 has 24 divisors (see below), whose sum is σ = 312598260. Its totient is φ = 32061312.

The previous prime is 120230009. The next prime is 120230041. The reversal of 120230010 is 10032021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104714289 + 15515721 = 10233^2 + 3939^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120229974 and 120230001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667855 + ... + 668034.

Almost surely, 2120230010 is an apocalyptic number.

120230010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120230010 is an abundant number, since it is smaller than the sum of its proper divisors (192368250).

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

120230010 is a wasteful number, since it uses less digits than its factorization.

120230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335902 (or 1335899 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120230010 is about 10964.9445963033. The cubic root of 120230010 is about 493.5573545311.

Adding to 120230010 its reverse (10032021), we get a palindrome (130262031).

The spelling of 120230010 in words is "one hundred twenty million, two hundred thirty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1335889 2671778 4007667 6679445 8015334 12023001 13358890 20038335 24046002 40076670 60115005 120230010