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1830706012793 = 72544710277417
BaseRepresentation
bin11010101000111110100…
…101001110001001111001
320111000101001100020022202
4122220332211032021321
5214443241214402133
63521003103155545
7246156413233160
oct32507645161171
96430331306282
101830706012793
116464418aa569
122569778a5bb5
13103833973448
146486c8b83d7
153294a6412e8
hex1aa3e94e279

1830706012793 has 8 divisors (see below), whose sum is σ = 2092317866112. Its totient is φ = 1569114765216.

The previous prime is 1830706012787. The next prime is 1830706012913. The reversal of 1830706012793 is 3972106070381.

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 1830706012793 - 210 = 1830706011769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1830706012753) 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, 4960580 + ... + 5316837.

It is an arithmetic number, because the mean of its divisors is an integer number (261539733264).

Almost surely, 21830706012793 is an apocalyptic number.

It is an amenable number.

1830706012793 is a deficient number, since it is larger than the sum of its proper divisors (261611853319).

1830706012793 is a wasteful number, since it uses less digits than its factorization.

1830706012793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302871.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 1830706012793 in words is "one trillion, eight hundred thirty billion, seven hundred six million, twelve thousand, seven hundred ninety-three".

Divisors: 1 7 25447 178129 10277417 71941919 261529430399 1830706012793