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19427411724 = 2237547563751
BaseRepresentation
bin10010000101111101…
…101100011100001100
31212010221002202210120
4102011331230130030
5304241404133344
612531432504540
71255300163220
oct220575543414
955127082716
1019427411724
11826a2a3a76
12392224b150
131aa7b88bc6
14d24236780
1578a865219
hex485f6c70c

19427411724 has 96 divisors (see below), whose sum is σ = 52062560256. Its totient is φ = 5523336000.

The previous prime is 19427411719. The next prime is 19427411753. The reversal of 19427411724 is 42711472491.

It is a super-3 number, since 3×194274117243 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25868349 + ... + 25869099.

It is an arithmetic number, because the mean of its divisors is an integer number (542318336).

Almost surely, 219427411724 is an apocalyptic number.

19427411724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19427411724 is an abundant number, since it is smaller than the sum of its proper divisors (32635148532).

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

19427411724 is a wasteful number, since it uses less digits than its factorization.

19427411724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1873 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The spelling of 19427411724 in words is "nineteen billion, four hundred twenty-seven million, four hundred eleven thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 547 563 751 1094 1126 1502 1641 1689 2188 2252 2253 3004 3282 3378 3829 3941 4506 5257 6564 6756 7658 7882 9012 10514 11487 11823 15316 15764 15771 21028 22974 23646 31542 45948 47292 63084 307961 410797 422813 615922 821594 845626 923883 1231844 1232391 1268439 1643188 1691252 1847766 2155727 2464782 2536878 2875579 2959691 3695532 4311454 4929564 5073756 5751158 5919382 6467181 8622908 8626737 8879073 11502316 11838764 12934362 17253474 17758146 25868724 34506948 35516292 231278711 462557422 693836133 925114844 1387672266 1618950977 2775344532 3237901954 4856852931 6475803908 9713705862 19427411724