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19292146431 = 3173710223713
BaseRepresentation
bin10001111101111001…
…101100101011111111
31211210111120120200220
4101331321230223333
5304002242141211
612510201352423
71252035352605
oct217571545377
954714516626
1019292146431
1181aaa06178
1238a4a98713
131a85b4897c
14d102a5875
1577da46806
hex47de6caff

19292146431 has 16 divisors (see below), whose sum is σ = 27972081504. Its totient is φ = 11777716224.

The previous prime is 19292146427. The next prime is 19292146459. The reversal of 19292146431 is 13464129291.

It is not a de Polignac number, because 19292146431 - 22 = 19292146427 is a prime.

It is a super-2 number, since 2×192921464312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19292146031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5109970 + ... + 5113743.

It is an arithmetic number, because the mean of its divisors is an integer number (1748255094).

Almost surely, 219292146431 is an apocalyptic number.

19292146431 is a deficient number, since it is larger than the sum of its proper divisors (8679935073).

19292146431 is a wasteful number, since it uses less digits than its factorization.

19292146431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223770.

The product of its digits is 93312, while the sum is 42.

The spelling of 19292146431 in words is "nineteen billion, two hundred ninety-two million, one hundred forty-six thousand, four hundred thirty-one".

Divisors: 1 3 17 37 51 111 629 1887 10223713 30671139 173803121 378277381 521409363 1134832143 6430715477 19292146431