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19030441146 = 2319316433887
BaseRepresentation
bin10001101110010011…
…010111110010111010
31211010021010120112120
4101232103113302322
5302433243104041
612424212222110
71242410036463
oct215623276272
954107116476
1019030441146
118086208112
12383130a936
131a43868482
14cc761dd6a
15765a9e366
hex46e4d7cba

19030441146 has 16 divisors (see below), whose sum is σ = 38258091264. Its totient is φ = 6310612224.

The previous prime is 19030441049. The next prime is 19030441147. The reversal of 19030441146 is 64114403091.

It is a super-2 number, since 2×190304411462 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19030441147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8215786 + ... + 8218101.

It is an arithmetic number, because the mean of its divisors is an integer number (2391130704).

Almost surely, 219030441146 is an apocalyptic number.

19030441146 is an abundant number, since it is smaller than the sum of its proper divisors (19227650118).

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

19030441146 is a wasteful number, since it uses less digits than its factorization.

19030441146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434085.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 19030441146 in words is "nineteen billion, thirty million, four hundred forty-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 193 386 579 1158 16433887 32867774 49301661 98603322 3171740191 6343480382 9515220573 19030441146