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10142431444 = 222535607861
BaseRepresentation
bin10010111001000100…
…10011100011010100
3222011211202220100001
421130202103203110
5131232430301234
64354231301044
7506224146655
oct113442234324
928154686301
1010142431444
114335157952
121b7081a784
13c58369432
146c303b52c
153e5644d14
hex25c8938d4

10142431444 has 6 divisors (see below), whose sum is σ = 17749255034. Its totient is φ = 5071215720.

The previous prime is 10142431399. The next prime is 10142431447. The reversal of 10142431444 is 44413424101.

It can be written as a sum of positive squares in only one way, i.e., 7812438544 + 2329992900 = 88388^2 + 48270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142431447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267803927 + ... + 1267803934.

Almost surely, 210142431444 is an apocalyptic number.

It is an amenable number.

10142431444 is a deficient number, since it is larger than the sum of its proper divisors (7606823590).

10142431444 is a wasteful number, since it uses less digits than its factorization.

10142431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535607865 (or 2535607863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 10142431444 its reverse (44413424101), we get a palindrome (54555855545).

The spelling of 10142431444 in words is "ten billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 2535607861 5071215722 10142431444