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10143144021 = 331110871537
BaseRepresentation
bin10010111001001010…
…00001100001010101
3222011220010002210210
421130211001201111
5131233121102041
64354254440033
7506233205313
oct113445014125
928156102723
1010143144021
1143355a425a
121b70b03019
13c5855888a
146c31850b3
153e5736016
hex25c941855

10143144021 has 8 divisors (see below), whose sum is σ = 13567679424. Its totient is φ = 6740352320.

The previous prime is 10143143981. The next prime is 10143144071. The reversal of 10143144021 is 12044134101.

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 10143144021 - 221 = 10141046869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143144071) 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, 5434836 + ... + 5436701.

It is an arithmetic number, because the mean of its divisors is an integer number (1695959928).

Almost surely, 210143144021 is an apocalyptic number.

It is an amenable number.

10143144021 is a deficient number, since it is larger than the sum of its proper divisors (3424535403).

10143144021 is a wasteful number, since it uses less digits than its factorization.

10143144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871851.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10143144021 its reverse (12044134101), we get a palindrome (22187278122).

The spelling of 10143144021 in words is "ten billion, one hundred forty-three million, one hundred forty-four thousand, twenty-one".

Divisors: 1 3 311 933 10871537 32614611 3381048007 10143144021