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123220010 = 2512322001
BaseRepresentation
bin1110101100000…
…11000000101010
322120212020002002
413112003000222
5223021020020
620121011002
73024232004
oct726030052
9276766062
10123220010
1163611021
1235323a62
131c6b3764
1412517374
15ac3e975
hex758302a

123220010 has 8 divisors (see below), whose sum is σ = 221796036. Its totient is φ = 49288000.

The previous prime is 123219977. The next prime is 123220051. The reversal of 123220010 is 10022321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121506529 + 1713481 = 11023^2 + 1309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123219973 and 123220000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6160991 + ... + 6161010.

Almost surely, 2123220010 is an apocalyptic number.

123220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123220010 is a deficient number, since it is larger than the sum of its proper divisors (98576026).

123220010 is a wasteful number, since it uses less digits than its factorization.

123220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322008.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123220010 is about 11100.4508917431. The cubic root of 123220010 is about 497.6153247289.

Adding to 123220010 its reverse (10022321), we get a palindrome (133242331).

The spelling of 123220010 in words is "one hundred twenty-three million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 12322001 24644002 61610005 123220010