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100242311 = 137710947
BaseRepresentation
bin1011111100110…
…01001110000111
320222121211121012
411332121032013
5201130223221
613540312435
72325021431
oct576311607
9228554535
10100242311
1151647594
12296a271b
13179c9ba0
14d455651
158c0165b
hex5f99387

100242311 has 4 divisors (see below), whose sum is σ = 107953272. Its totient is φ = 92531352.

The previous prime is 100242301. The next prime is 100242323. The reversal of 100242311 is 113242001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100242311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855461 + ... + 3855486.

It is an arithmetic number, because the mean of its divisors is an integer number (26988318).

Almost surely, 2100242311 is an apocalyptic number.

100242311 is a deficient number, since it is larger than the sum of its proper divisors (7710961).

100242311 is an equidigital number, since it uses as much as digits as its factorization.

100242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710960.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100242311 is about 10012.1082195510. The cubic root of 100242311 is about 464.5334836354.

Adding to 100242311 its reverse (113242001), we get a palindrome (213484312).

The spelling of 100242311 in words is "one hundred million, two hundred forty-two thousand, three hundred eleven".

Divisors: 1 13 7710947 100242311