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210120022 = 2729673769
BaseRepresentation
bin11001000011000…
…10110101010110
3112122101012111001
430201202311112
5412242320042
632503333514
75130663550
oct1441426526
9478335431
10210120022
11a8675312
125a45129a
13346bb698
141dc984d0
15136a7bb7
hexc862d56

210120022 has 32 divisors (see below), whose sum is σ = 373665600. Its totient is φ = 86704128.

The previous prime is 210119989. The next prime is 210120041. The reversal of 210120022 is 220021012.

It is a junction number, because it is equal to n+sod(n) for n = 210119990 and 210120008.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 272854 + ... + 273622.

It is an arithmetic number, because the mean of its divisors is an integer number (11677050).

Almost surely, 2210120022 is an apocalyptic number.

210120022 is a deficient number, since it is larger than the sum of its proper divisors (163545578).

210120022 is a wasteful number, since it uses less digits than its factorization.

210120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 210120022 is about 14495.5173070850. The cubic root of 210120022 is about 594.5054120276.

Adding to 210120022 its reverse (220021012), we get a palindrome (430141034).

The spelling of 210120022 in words is "two hundred ten million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 7 14 29 58 203 406 673 769 1346 1538 4711 5383 9422 10766 19517 22301 39034 44602 136619 156107 273238 312214 517537 1035074 3622759 7245518 15008573 30017146 105060011 210120022