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19234086001 = 131891378229
BaseRepresentation
bin10001111010011100…
…001101110001110001
31211122110022210202121
4101322130031301301
5303342411223001
612500325114241
71250432014324
oct217234156161
954573283677
1019234086001
11818015a549
123889558981
131a76aca7a0
14d066b07bb
157788c86a1
hex47a70dc71

19234086001 has 8 divisors (see below), whose sum is σ = 20714991080. Its totient is φ = 17753375232.

The previous prime is 19234085989. The next prime is 19234086017. The reversal of 19234086001 is 10068043291.

It can be written as a sum of positive squares in 4 ways, for example, as 6701059600 + 12533026401 = 81860^2 + 111951^2 .

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 19234086001 - 29 = 19234085489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19234081001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206755 + ... + 284983.

It is an arithmetic number, because the mean of its divisors is an integer number (2589373885).

Almost surely, 219234086001 is an apocalyptic number.

It is an amenable number.

19234086001 is a deficient number, since it is larger than the sum of its proper divisors (1480905079).

19234086001 is a wasteful number, since it uses less digits than its factorization.

19234086001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97155.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 19234086001 in words is "nineteen billion, two hundred thirty-four million, eighty-six thousand, one".

Divisors: 1 13 18913 78229 245869 1016977 1479545077 19234086001