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1023240402401 = 7941915519397
BaseRepresentation
bin11101110001111011110…
…00010111010111100001
310121211011101100012011112
432320331320113113201
5113231044020334101
62102023052553105
7133632564625160
oct16707570272741
93554141305145
101023240402401
11364a54593228
12146389182795
13756500b9a39
143774cc333d7
151b93bc116bb
hexee3de175e1

1023240402401 has 8 divisors (see below), whose sum is σ = 1169541833280. Its totient is φ = 876970029168.

The previous prime is 1023240402389. The next prime is 1023240402413. The reversal of 1023240402401 is 1042040423201.

It is an interprime number because it is at equal distance from previous prime (1023240402389) and next prime (1023240402413).

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 1023240402401 - 218 = 1023240140257 is a prime.

It is a super-2 number, since 2×10232404024012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023240402491) 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, 7693766 + ... + 7825631.

It is an arithmetic number, because the mean of its divisors is an integer number (146192729160).

Almost surely, 21023240402401 is an apocalyptic number.

It is an amenable number.

1023240402401 is a deficient number, since it is larger than the sum of its proper divisors (146301430879).

1023240402401 is an equidigital number, since it uses as much as digits as its factorization.

1023240402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15528823.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1023240402401 its reverse (1042040423201), we get a palindrome (2065280825602).

The spelling of 1023240402401 in words is "one trillion, twenty-three billion, two hundred forty million, four hundred two thousand, four hundred one".

Divisors: 1 7 9419 65933 15519397 108635779 146177200343 1023240402401