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402531040241 = 1171515404661
BaseRepresentation
bin1011101101110001011…
…10000011101111110001
31102111000002011112110222
411312320232003233301
523043340421241431
6504530433102425
741040044250041
oct5667056035761
91374002145428
10402531040241
111457923073a0
126601a9b7a15
132bc5cb180a5
14156a83b3721
15a70dc0657b
hex5db8b83bf1

402531040241 has 8 divisors (see below), whose sum is σ = 445309627968. Its totient is φ = 360783262000.

The previous prime is 402531040231. The next prime is 402531040319. The reversal of 402531040241 is 142040135204.

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 402531040241 - 234 = 385351171057 is a prime.

It is a super-2 number, since 2×4025310402412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402531040241.

It is not an unprimeable number, because it can be changed into a prime (402531040231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257701550 + ... + 257703111.

It is an arithmetic number, because the mean of its divisors is an integer number (55663703496).

Almost surely, 2402531040241 is an apocalyptic number.

It is an amenable number.

402531040241 is a deficient number, since it is larger than the sum of its proper divisors (42778587727).

402531040241 is a wasteful number, since it uses less digits than its factorization.

402531040241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515404743.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 402531040241 its reverse (142040135204), we get a palindrome (544571175445).

The spelling of 402531040241 in words is "four hundred two billion, five hundred thirty-one million, forty thousand, two hundred forty-one".

Divisors: 1 11 71 781 515404661 5669451271 36593730931 402531040241