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2067071172 = 223172255931
BaseRepresentation
bin111101100110101…
…0000000011000100
312100001120002120120
41323031100003010
513213132234142
6541040301540
7102136546365
oct17315200304
95301502516
102067071172
11970898191
124983118b0
1326c32ba4a
14158757b6c
15c17107ec
hex7b3500c4

2067071172 has 12 divisors (see below), whose sum is σ = 4823166096. Its totient is φ = 689023720.

The previous prime is 2067071137. The next prime is 2067071173. The reversal of 2067071172 is 2711707602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20670711722 = 8545566460226907168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067071173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86127954 + ... + 86127977.

It is an arithmetic number, because the mean of its divisors is an integer number (401930508).

Almost surely, 22067071172 is an apocalyptic number.

It is an amenable number.

2067071172 is an abundant number, since it is smaller than the sum of its proper divisors (2756094924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2067071172 is a wasteful number, since it uses less digits than its factorization.

2067071172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172255938 (or 172255936 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 2067071172 is about 45465.0544044544. The cubic root of 2067071172 is about 1273.8505435832.

Adding to 2067071172 its reverse (2711707602), we get a palindrome (4778778774).

The spelling of 2067071172 in words is "two billion, sixty-seven million, seventy-one thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 172255931 344511862 516767793 689023724 1033535586 2067071172