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1027001412 = 223228527817
BaseRepresentation
bin111101001101101…
…100110001000100
32122120111002002100
4331031230301010
54100403021122
6245524112100
734310240133
oct7515546104
92576432070
101027001412
114877963a8
12247b35630
13134a02358
149a57991a
1560266aac
hex3d36cc44

1027001412 has 18 divisors (see below), whose sum is σ = 2596031438. Its totient is φ = 342333792.

The previous prime is 1027001407. The next prime is 1027001441. The reversal of 1027001412 is 2141007201.

1027001412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 668429316 + 358572096 = 25854^2 + 18936^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14263873 + ... + 14263944.

Almost surely, 21027001412 is an apocalyptic number.

1027001412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1027001412 is an abundant number, since it is smaller than the sum of its proper divisors (1569030026).

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

1027001412 is a wasteful number, since it uses less digits than its factorization.

1027001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28527827 (or 28527822 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1027001412 is about 32046.8627481693. The cubic root of 1027001412 is about 1008.9206559347.

Adding to 1027001412 its reverse (2141007201), we get a palindrome (3168008613).

The spelling of 1027001412 in words is "one billion, twenty-seven million, one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 28527817 57055634 85583451 114111268 171166902 256750353 342333804 513500706 1027001412