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19642876082 = 261161007181
BaseRepresentation
bin10010010010110011…
…101000000010110010
31212200221112111022222
4102102303220002302
5310212034013312
613005051001042
71263524456204
oct222263500262
955627474288
1019642876082
11836a989595
123982439182
131b106c8ccb
14d44ac2774
1579e726672
hex492ce80b2

19642876082 has 8 divisors (see below), whose sum is σ = 29947335852. Its totient is φ = 9660430800.

The previous prime is 19642876081. The next prime is 19642876103. The reversal of 19642876082 is 28067824691.

It can be written as a sum of positive squares in 2 ways, for example, as 19633334161 + 9541921 = 140119^2 + 3089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19642876081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80503469 + ... + 80503712.

Almost surely, 219642876082 is an apocalyptic number.

19642876082 is a deficient number, since it is larger than the sum of its proper divisors (10304459770).

19642876082 is a wasteful number, since it uses less digits than its factorization.

19642876082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161007244.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 19642876082 in words is "nineteen billion, six hundred forty-two million, eight hundred seventy-six thousand, eighty-two".

Divisors: 1 2 61 122 161007181 322014362 9821438041 19642876082