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19285506042 = 2311846734511
BaseRepresentation
bin10001111101100000…
…010111011111111010
31211210001002012210120
4101331200113133322
5303444042143132
612505403154110
71251625045065
oct217540273772
954701065716
1019285506042
1181a7190150
1238a2815936
131a8466234a
14d0d4578dc
1577d18402c
hex47d8177fa

19285506042 has 32 divisors (see below), whose sum is σ = 42083656704. Its totient is φ = 5843233200.

The previous prime is 19285506013. The next prime is 19285506083. The reversal of 19285506042 is 24060558291.

It is a junction number, because it is equal to n+sod(n) for n = 19285505985 and 19285506003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541567 + ... + 576077.

It is an arithmetic number, because the mean of its divisors is an integer number (1315114272).

Almost surely, 219285506042 is an apocalyptic number.

19285506042 is an abundant number, since it is smaller than the sum of its proper divisors (22798150662).

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

19285506042 is a wasteful number, since it uses less digits than its factorization.

19285506042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42994.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 19285506042 in words is "nineteen billion, two hundred eighty-five million, five hundred six thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 8467 16934 25401 34511 50802 69022 93137 103533 186274 207066 279411 379621 558822 759242 1138863 2277726 292204637 584409274 876613911 1753227822 3214251007 6428502014 9642753021 19285506042