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11230331986 = 25615165993
BaseRepresentation
bin10100111010110000…
…10100010001010010
31001222122211222022201
422131120110101102
5140444431110421
65054212553414
7545204150446
oct123530242122
931878758281
1011230331986
114843258705
12221502286a
13109c871a73
1478770a826
1545addab91
hex29d614452

11230331986 has 4 divisors (see below), whose sum is σ = 16845497982. Its totient is φ = 5615165992.

The previous prime is 11230331977. The next prime is 11230331993. The reversal of 11230331986 is 68913303211.

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

It can be written as a sum of positive squares in only one way, i.e., 11168473761 + 61858225 = 105681^2 + 7865^2 .

It is a super-2 number, since 2×112303319862 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807582995 + ... + 2807582998.

Almost surely, 211230331986 is an apocalyptic number.

11230331986 is a deficient number, since it is larger than the sum of its proper divisors (5615165996).

11230331986 is an equidigital number, since it uses as much as digits as its factorization.

11230331986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615165995.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 11230331986 in words is "eleven billion, two hundred thirty million, three hundred thirty-one thousand, nine hundred eighty-six".

Divisors: 1 2 5615165993 11230331986