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19248869027 = 232713088219
BaseRepresentation
bin10001111011010100…
…100110111010100011
31211200111010212021002
4101323110212322203
5303410202302102
612502014022215
71251001454453
oct217324467243
954614125232
1019248869027
118188537223
1238924a796b
131a79ba543b
14d0863bd63
15779d48902
hex47b526ea3

19248869027 has 8 divisors (see below), whose sum is σ = 20159900160. Its totient is φ = 18344014920.

The previous prime is 19248869009. The next prime is 19248869071. The reversal of 19248869027 is 72096884291.

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

It is a cyclic number.

It is not a de Polignac number, because 19248869027 - 212 = 19248864931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19248869527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537877 + ... + 1550342.

It is an arithmetic number, because the mean of its divisors is an integer number (2519987520).

Almost surely, 219248869027 is an apocalyptic number.

19248869027 is a deficient number, since it is larger than the sum of its proper divisors (911031133).

19248869027 is a wasteful number, since it uses less digits than its factorization.

19248869027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088513.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 19248869027 in words is "nineteen billion, two hundred forty-eight million, eight hundred sixty-nine thousand, twenty-seven".

Divisors: 1 23 271 6233 3088219 71029037 836907349 19248869027