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19010122 = 212774843
BaseRepresentation
bin100100010000…
…1001001001010
31022202210222121
41020201021022
514331310442
61515241454
7320404045
oct110411112
938683877
1019010122
11a80464a
12644928a
133c279c1
14274bc5c
151a07967
hex122124a

19010122 has 8 divisors (see below), whose sum is σ = 28740096. Its totient is φ = 9430092.

The previous prime is 19010087. The next prime is 19010141. The reversal of 19010122 is 22101091.

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

It is a super-2 number, since 2×190101222 = 722769476909768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19010096 and 19010105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37168 + ... + 37675.

It is an arithmetic number, because the mean of its divisors is an integer number (3592512).

Almost surely, 219010122 is an apocalyptic number.

19010122 is a deficient number, since it is larger than the sum of its proper divisors (9729974).

19010122 is a wasteful number, since it uses less digits than its factorization.

19010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74972.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 19010122 is about 4360.0598619744. The cubic root of 19010122 is about 266.8875416557.

The spelling of 19010122 in words is "nineteen million, ten thousand, one hundred twenty-two".

Divisors: 1 2 127 254 74843 149686 9505061 19010122