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11230031002 = 217352162297
BaseRepresentation
bin10100111010101110…
…01010110010011010
31001222122021200110011
422131113022302122
5140444341443002
65054202312134
7545201455111
oct123527126232
931878250404
1011230031002
114843072563
122214ab864a
13109c797a78
1478766cc78
1545ad7b8d7
hex29d5cac9a

11230031002 has 16 divisors (see below), whose sum is σ = 16975208232. Its totient is φ = 5571754240.

The previous prime is 11230030961. The next prime is 11230031011. The reversal of 11230031002 is 20013003211.

It can be written as a sum of positive squares in 4 ways, for example, as 9884535241 + 1345495761 = 99421^2 + 36681^2 .

It is a super-2 number, since 2×112300310022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149118 + ... + 211414.

Almost surely, 211230031002 is an apocalyptic number.

11230031002 is a deficient number, since it is larger than the sum of its proper divisors (5745177230).

11230031002 is a wasteful number, since it uses less digits than its factorization.

11230031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62993.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11230031002 its reverse (20013003211), we get a palindrome (31243034213).

The spelling of 11230031002 in words is "eleven billion, two hundred thirty million, thirty-one thousand, two".

Divisors: 1 2 173 346 521 1042 62297 90133 124594 180266 10777381 21554762 32456737 64913474 5615015501 11230031002