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100067161 = 112389107
BaseRepresentation
bin1011111011011…
…10011101011001
320222021221100011
411331232131121
5201104122121
613532441521
72323361665
oct575563531
9228257304
10100067161
1151537a37
12296192a1
131796824c
14d40b8a5
158bb97e1
hex5f6e759

100067161 has 4 divisors (see below), whose sum is σ = 100157392. Its totient is φ = 99976932.

The previous prime is 100067141. The next prime is 100067171. The reversal of 100067161 is 161760001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100067161 - 215 = 100034393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100067111) 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, 43431 + ... + 45676.

It is an arithmetic number, because the mean of its divisors is an integer number (25039348).

Almost surely, 2100067161 is an apocalyptic number.

It is an amenable number.

100067161 is a deficient number, since it is larger than the sum of its proper divisors (90231).

100067161 is an equidigital number, since it uses as much as digits as its factorization.

100067161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90230.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 100067161 is about 10003.3574863643. The cubic root of 100067161 is about 464.2627713566.

The spelling of 100067161 in words is "one hundred million, sixty-seven thousand, one hundred sixty-one".

Divisors: 1 1123 89107 100067161