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19427045246 = 2714952317807
BaseRepresentation
bin10010000101111100…
…010010111101111110
31212010220102011002022
4102011330102331332
5304241310421441
612531421000142
71255264105610
oct220574227576
955126364068
1019427045246
11826a0736a4
1239220b3052
131aa7a8b15b
14d2417cdb0
1578a7e184b
hex485f12f7e

19427045246 has 32 divisors (see below), whose sum is σ = 33593011200. Its totient is φ = 8253722016.

The previous prime is 19427045221. The next prime is 19427045251. The reversal of 19427045246 is 64254072491.

It is a junction number, because it is equal to n+sod(n) for n = 19427045197 and 19427045206.

It is a congruent number.

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, 1082075 + ... + 1099881.

It is an arithmetic number, because the mean of its divisors is an integer number (1049781600).

Almost surely, 219427045246 is an apocalyptic number.

19427045246 is a deficient number, since it is larger than the sum of its proper divisors (14165965954).

19427045246 is a wasteful number, since it uses less digits than its factorization.

19427045246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 19427045246 in words is "nineteen billion, four hundred twenty-seven million, forty-five thousand, two hundred forty-six".

Divisors: 1 2 7 14 149 298 523 1043 1046 2086 3661 7322 17807 35614 77927 124649 155854 249298 545489 1090978 2653243 5306486 9313061 18572701 18626122 37145402 65191427 130382854 1387646089 2775292178 9713522623 19427045246