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100202011 = 7213157303
BaseRepresentation
bin1011111100011…
…11011000011011
320222112210022121
411332033120123
5201122431021
613535402111
72324463100
oct576173033
9228483277
10100202011
115161a288
1229683337
13179b4740
14d444aa7
158be4741
hex5f8f61b

100202011 has 12 divisors (see below), whose sum is σ = 125528592. Its totient is φ = 79280208.

The previous prime is 100202009. The next prime is 100202017. The reversal of 100202011 is 110202001.

Adding to 100202011 its reverse (110202001), we get a palindrome (210404012).

It is not a de Polignac number, because 100202011 - 21 = 100202009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 100201985 and 100202003.

It is not an unprimeable number, because it can be changed into a prime (100202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78015 + ... + 79288.

It is an arithmetic number, because the mean of its divisors is an integer number (10460716).

Almost surely, 2100202011 is an apocalyptic number.

100202011 is a deficient number, since it is larger than the sum of its proper divisors (25326581).

100202011 is a wasteful number, since it uses less digits than its factorization.

100202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157330 (or 157323 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100202011 is about 10010.0954540903. The cubic root of 100202011 is about 464.4712238022.

The spelling of 100202011 in words is "one hundred million, two hundred two thousand, eleven".

Divisors: 1 7 13 49 91 637 157303 1101121 2044939 7707847 14314573 100202011