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160444420155427 = 736812177554867
BaseRepresentation
bin100100011110110001100000…
…101010110110100000100011
3210001002100002111122010002111
4210132301200222312200203
5132012210133024433202
61325123052111300151
745536504205235222
oct4436614052664043
9701070074563074
10160444420155427
1147139107444931
1215bb325381a657
136b6aac80840b5
142b897a0d5ccb9
1513837da81d6d7
hex91ec60ab6823

160444420155427 has 4 divisors (see below), whose sum is σ = 160446597783976. Its totient is φ = 160442242526880.

The previous prime is 160444420155421. The next prime is 160444420155431. The reversal of 160444420155427 is 724551024444061.

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-160444420155427 is a prime.

It is a super-2 number, since 2×1604444201554272 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160444420155421) 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, 1088703753 + ... + 1088851114.

It is an arithmetic number, because the mean of its divisors is an integer number (40111649445994).

Almost surely, 2160444420155427 is an apocalyptic number.

160444420155427 is a deficient number, since it is larger than the sum of its proper divisors (2177628549).

160444420155427 is an equidigital number, since it uses as much as digits as its factorization.

160444420155427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177628548.

The product of its (nonzero) digits is 4300800, while the sum is 49.

Adding to 160444420155427 its reverse (724551024444061), we get a palindrome (884995444599488).

The spelling of 160444420155427 in words is "one hundred sixty trillion, four hundred forty-four billion, four hundred twenty million, one hundred fifty-five thousand, four hundred twenty-seven".

Divisors: 1 73681 2177554867 160444420155427