Search a number
-
+
19285025852 = 2233714306399
BaseRepresentation
bin10001111101011110…
…100010010000111100
31211210000011211002202
4101331132202100330
5303443431311402
612505345011032
71251621005111
oct217536422074
954700154082
1019285025852
1181a69923a4
1238a2623a78
131a84524901
14d0d370908
1577d0dbb02
hex47d7a243c

19285025852 has 12 divisors (see below), whose sum is σ = 33848942400. Its totient is φ = 9613899456.

The previous prime is 19285025849. The next prime is 19285025861. The reversal of 19285025852 is 25852058291.

It is a super-2 number, since 2×192850258522 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19285025797 and 19285025806.

It is a congruent number.

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, 7151852 + ... + 7154547.

It is an arithmetic number, because the mean of its divisors is an integer number (2820745200).

Almost surely, 219285025852 is an apocalyptic number.

It is an amenable number.

19285025852 is a deficient number, since it is larger than the sum of its proper divisors (14563916548).

19285025852 is a wasteful number, since it uses less digits than its factorization.

19285025852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14306740 (or 14306738 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 47.

The spelling of 19285025852 in words is "nineteen billion, two hundred eighty-five million, twenty-five thousand, eight hundred fifty-two".

Divisors: 1 2 4 337 674 1348 14306399 28612798 57225596 4821256463 9642512926 19285025852