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402144441001 = 17831463919469
BaseRepresentation
bin1011101101000011010…
…11010011001010101001
31102110000010201021000121
411312201223103022221
523042042434103001
6504424223003241
741024341230412
oct5664153231251
91373003637017
10402144441001
11145604064696
1265b31439521
132bbca9b9244
141566ccda809
15a6d9cdd6a1
hex5da1ad32a9

402144441001 has 16 divisors (see below), whose sum is σ = 430981689600. Its totient is φ = 373884030208.

The previous prime is 402144440989. The next prime is 402144441011. The reversal of 402144441001 is 100144441204.

It is a cyclic number.

It is not a de Polignac number, because 402144441001 - 217 = 402144309929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402144441011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20645895 + ... + 20665363.

It is an arithmetic number, because the mean of its divisors is an integer number (26936355600).

Almost surely, 2402144441001 is an apocalyptic number.

It is an amenable number.

402144441001 is a deficient number, since it is larger than the sum of its proper divisors (28837248599).

402144441001 is a wasteful number, since it uses less digits than its factorization.

402144441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34208.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 402144441001 its reverse (100144441204), we get a palindrome (502288882205).

The spelling of 402144441001 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-one thousand, one".

Divisors: 1 17 83 1411 14639 19469 248863 330973 1215037 1615927 20655629 27470759 285006691 4845113747 23655555353 402144441001