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2229930161 = 3171933231
BaseRepresentation
bin1000010011101010…
…0000100010110001
312202102000012002222
42010322200202301
514031330231121
61005135050425
7106155044054
oct20472404261
95672005088
102229930161
11a44812598
12522970a15
13296cb0904
1417222ca9b
15d0b800ab
hex84ea08b1

2229930161 has 4 divisors (see below), whose sum is σ = 2301863424. Its totient is φ = 2157996900.

The previous prime is 2229930149. The next prime is 2229930167. The reversal of 2229930161 is 1610399222.

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 2229930161 - 210 = 2229929137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229930167) 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, 35966585 + ... + 35966646.

It is an arithmetic number, because the mean of its divisors is an integer number (575465856).

Almost surely, 22229930161 is an apocalyptic number.

It is an amenable number.

2229930161 is a deficient number, since it is larger than the sum of its proper divisors (71933263).

2229930161 is an equidigital number, since it uses as much as digits as its factorization.

2229930161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71933262.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2229930161 is about 47222.1363451507. The cubic root of 2229930161 is about 1306.4629173132.

The spelling of 2229930161 in words is "two billion, two hundred twenty-nine million, nine hundred thirty thousand, one hundred sixty-one".

Divisors: 1 31 71933231 2229930161