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2067211912 = 23258401489
BaseRepresentation
bin111101100110111…
…0010011010001000
312100001211020122011
41323031302122020
513213201240122
6541043305304
7102141003613
oct17315623210
95301736564
102067211912
119709839a7
1249837b234
1326c37ab1c
1415879317a
15c173c377
hex7b372688

2067211912 has 8 divisors (see below), whose sum is σ = 3876022350. Its totient is φ = 1033605952.

The previous prime is 2067211897. The next prime is 2067211919. The reversal of 2067211912 is 2191127602.

It can be written as a sum of positive squares in only one way, i.e., 2067157156 + 54756 = 45466^2 + 234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20672119122 = 8546730178229391488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067211919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129200737 + ... + 129200752.

Almost surely, 22067211912 is an apocalyptic number.

It is an amenable number.

2067211912 is a deficient number, since it is larger than the sum of its proper divisors (1808810438).

2067211912 is a wasteful number, since it uses less digits than its factorization.

2067211912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258401495 (or 258401491 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 2067211912 is about 45466.6021602670. The cubic root of 2067211912 is about 1273.8794536758.

The spelling of 2067211912 in words is "two billion, sixty-seven million, two hundred eleven thousand, nine hundred twelve".

Divisors: 1 2 4 8 258401489 516802978 1033605956 2067211912