Search a number
-
+
402441401041 = 2148118734761
BaseRepresentation
bin1011101101100110110…
…00000111001011010001
31102110202211111101121121
411312303120013023101
523043144444313131
6504513511522241
741034605316211
oct5666330071321
91373684441547
10402441401041
11145746752109
1265bb4989381
132bc47391444
141569a51c241
15a705deb911
hex5db36072d1

402441401041 has 4 divisors (see below), whose sum is σ = 402460157284. Its totient is φ = 402422644800.

The previous prime is 402441400997. The next prime is 402441401053. The reversal of 402441401041 is 140104144204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 358034689600 + 44406711441 = 598360^2 + 210729^2 .

It is a cyclic number.

It is not a de Polignac number, because 402441401041 - 27 = 402441400913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402441400997 and 402441401015.

It is not an unprimeable number, because it can be changed into a prime (402441401071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345900 + ... + 9388861.

It is an arithmetic number, because the mean of its divisors is an integer number (100615039321).

Almost surely, 2402441401041 is an apocalyptic number.

It is an amenable number.

402441401041 is a deficient number, since it is larger than the sum of its proper divisors (18756243).

402441401041 is a wasteful number, since it uses less digits than its factorization.

402441401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18756242.

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

Adding to 402441401041 its reverse (140104144204), we get a palindrome (542545545245).

The spelling of 402441401041 in words is "four hundred two billion, four hundred forty-one million, four hundred one thousand, forty-one".

Divisors: 1 21481 18734761 402441401041