Search a number
-
+
2801300023 = 20531364491
BaseRepresentation
bin1010011011111000…
…0111001000110111
321020020010210012201
42212332013020313
521214113100043
61141545325331
7126263441314
oct24676071067
97206123181
102801300023
111208296195
12662196847
13358493ba2
141c8081d0b
15115de4c4d
hexa6f87237

2801300023 has 4 divisors (see below), whose sum is σ = 2802666568. Its totient is φ = 2799933480.

The previous prime is 2801299993. The next prime is 2801300039. The reversal of 2801300023 is 3200031082.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2801300023 - 221 = 2799202871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801300323) 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, 680193 + ... + 684298.

It is an arithmetic number, because the mean of its divisors is an integer number (700666642).

Almost surely, 22801300023 is an apocalyptic number.

2801300023 is a deficient number, since it is larger than the sum of its proper divisors (1366545).

2801300023 is a wasteful number, since it uses less digits than its factorization.

2801300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366544.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2801300023 is about 52927.3088584712. The cubic root of 2801300023 is about 1409.6778471964.

The spelling of 2801300023 in words is "two billion, eight hundred one million, three hundred thousand, twenty-three".

Divisors: 1 2053 1364491 2801300023