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19464192001 = 117703165367
BaseRepresentation
bin10010001000001010…
…000000000000000001
31212020111022101212001
4102020022000000001
5304330313121001
612535225104001
71256224621312
oct221012000001
955214271761
1019464192001
1182890355a1
123932628001
131ab2696097
14d2908c609
1578dbcd001
hex488280001

19464192001 has 4 divisors (see below), whose sum is σ = 19464475072. Its totient is φ = 19463908932.

The previous prime is 19464191933. The next prime is 19464192017. The reversal of 19464192001 is 10029146491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 19464192001 - 215 = 19464159233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19464196001) 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, 35020 + ... + 200386.

It is an arithmetic number, because the mean of its divisors is an integer number (4866118768).

It is a Proth number, since it is equal to 37125 ⋅ 219 + 1 and 37125 < 219.

Almost surely, 219464192001 is an apocalyptic number.

It is an amenable number.

19464192001 is a deficient number, since it is larger than the sum of its proper divisors (283071).

19464192001 is a wasteful number, since it uses less digits than its factorization.

19464192001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283070.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 19464192001 in words is "nineteen billion, four hundred sixty-four million, one hundred ninety-two thousand, one".

Divisors: 1 117703 165367 19464192001