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10400143009 = 29509704569
BaseRepresentation
bin10011010111110010…
…11001011010100001
3222211210201000010211
421223321121122201
5132244414034014
64435555054121
7515503520434
oct115371313241
928753630124
1010400143009
114457678413
122022ba1341
13c9987bb99
1470936381b
1540d09dcc4
hex26be596a1

10400143009 has 8 divisors (see below), whose sum is σ = 10779921000. Its totient is φ = 10021775232.

The previous prime is 10400143007. The next prime is 10400143021. The reversal of 10400143009 is 90034100401.

10400143009 is digitally balanced in base 3, 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 4 ways, for example, as 380133009 + 10020010000 = 19497^2 + 100100^2 .

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 10400143009 - 21 = 10400143007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10400143003) 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, 337524 + ... + 367045.

It is an arithmetic number, because the mean of its divisors is an integer number (1347490125).

Almost surely, 210400143009 is an apocalyptic number.

It is an amenable number.

10400143009 is a deficient number, since it is larger than the sum of its proper divisors (379777991).

10400143009 is an equidigital number, since it uses as much as digits as its factorization.

10400143009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705107.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 10400143009 in words is "ten billion, four hundred million, one hundred forty-three thousand, nine".

Divisors: 1 29 509 14761 704569 20432501 358625621 10400143009