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1012040143 = 4776928001
BaseRepresentation
bin111100010100101…
…000000111001111
32121112022222002021
4330110220013033
54033040241033
6244231311011
734036125232
oct7424500717
92545288067
101012040143
1147a2a7814
12242b1b467
1313189452a
14985a3419
155dcadb2d
hex3c5281cf

1012040143 has 8 divisors (see below), whose sum is σ = 1034953920. Its totient is φ = 989184000.

The previous prime is 1012040123. The next prime is 1012040147. The reversal of 1012040143 is 3410402101.

1012040143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012040143 - 221 = 1009942991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012040147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22143 + ... + 50143.

It is an arithmetic number, because the mean of its divisors is an integer number (129369240).

Almost surely, 21012040143 is an apocalyptic number.

1012040143 is a deficient number, since it is larger than the sum of its proper divisors (22913777).

1012040143 is an equidigital number, since it uses as much as digits as its factorization.

1012040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28817.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012040143 is about 31812.5783771137. The cubic root of 1012040143 is about 1003.9973806564.

Adding to 1012040143 its reverse (3410402101), we get a palindrome (4422442244).

The spelling of 1012040143 in words is "one billion, twelve million, forty thousand, one hundred forty-three".

Divisors: 1 47 769 28001 36143 1316047 21532769 1012040143