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12030300987 = 399110913709
BaseRepresentation
bin10110011010000111…
…11101001100111011
31011001102010121111020
423031003331030323
5144114224112422
65305431033523
7604056604545
oct131503751473
934042117436
1012030300987
115113878211
1223b8b0b8a3
1311995137c3
14821a68695
154a625895c
hex2cd0fd33b

12030300987 has 16 divisors (see below), whose sum is σ = 16075637760. Its totient is φ = 8002605600.

The previous prime is 12030300973. The next prime is 12030301061. The reversal of 12030300987 is 78900303021.

It is not a de Polignac number, because 12030300987 - 26 = 12030300923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12030300967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3241689 + ... + 3245397.

It is an arithmetic number, because the mean of its divisors is an integer number (1004727360).

Almost surely, 212030300987 is an apocalyptic number.

12030300987 is a deficient number, since it is larger than the sum of its proper divisors (4045336773).

12030300987 is a wasteful number, since it uses less digits than its factorization.

12030300987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 12030300987 in words is "twelve billion, thirty million, three hundred thousand, nine hundred eighty-seven".

Divisors: 1 3 991 1091 2973 3273 3709 11127 1081181 3243543 3675619 4046519 11026857 12139557 4010100329 12030300987