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690133011 = 31678871553
BaseRepresentation
bin101001001000101…
…001100000010011
31210002121101111220
4221020221200103
52403133224021
6152251540123
723050014411
oct5110514023
91702541456
10690133011
11324620167
1217315a643
13acc96239
146792a2b1
15408c3cc6
hex29229813

690133011 has 16 divisors (see below), whose sum is σ = 927327744. Its totient is φ = 456523904.

The previous prime is 690132983. The next prime is 690133027. The reversal of 690133011 is 110331096.

It is a cyclic number.

It is not a de Polignac number, because 690133011 - 210 = 690131987 is a prime.

It is a super-2 number, since 2×6901330112 = 952567145743852242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690133051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443611 + ... + 445163.

It is an arithmetic number, because the mean of its divisors is an integer number (57957984).

Almost surely, 2690133011 is an apocalyptic number.

690133011 is a deficient number, since it is larger than the sum of its proper divisors (237194733).

690133011 is a wasteful number, since it uses less digits than its factorization.

690133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 690133011 is about 26270.3827722399. The cubic root of 690133011 is about 883.7123692270.

The spelling of 690133011 in words is "six hundred ninety million, one hundred thirty-three thousand, eleven".

Divisors: 1 3 167 501 887 1553 2661 4659 148129 259351 444387 778053 1377511 4132533 230044337 690133011