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100180342 = 250090171
BaseRepresentation
bin1011111100010…
…10000101110110
320222111200121001
411332022011312
5201121232332
613535113514
72324342653
oct576120566
9228450531
10100180342
1151604a79
122967289a
13179a7912
14d43ac2a
158bdd0e7
hex5f8a176

100180342 has 4 divisors (see below), whose sum is σ = 150270516. Its totient is φ = 50090170.

The previous prime is 100180279. The next prime is 100180351. The reversal of 100180342 is 243081001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243081001 = 1258919309.

It is a super-2 number, since 2×1001803422 = 20072201846473928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25045084 + ... + 25045087.

It is an arithmetic number, because the mean of its divisors is an integer number (37567629).

Almost surely, 2100180342 is an apocalyptic number.

100180342 is a deficient number, since it is larger than the sum of its proper divisors (50090174).

100180342 is an equidigital number, since it uses as much as digits as its factorization.

100180342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50090173.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 100180342 is about 10009.0130382571. The cubic root of 100180342 is about 464.4377402675.

The spelling of 100180342 in words is "one hundred million, one hundred eighty thousand, three hundred forty-two".

Divisors: 1 2 50090171 100180342