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1042320240430 = 25714890289149
BaseRepresentation
bin11110010101011110010…
…00001010111100101110
310200122102002102101111021
433022233020022330232
5114034132440143210
62114500232044354
7135206444601130
oct17125710127456
93618362371437
101042320240430
11372055669a07
1214a012b336ba
13773a0c5bc21
143863cc31050
151c1a6cbbbda
hexf2af20af2e

1042320240430 has 16 divisors (see below), whose sum is σ = 2144201637600. Its totient is φ = 357366939552.

The previous prime is 1042320240421. The next prime is 1042320240431. The reversal of 1042320240430 is 340420232401.

It is a happy number.

It is a super-2 number, since 2×10423202404302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042320240395 and 1042320240404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042320240431) 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, 7445144505 + ... + 7445144644.

It is an arithmetic number, because the mean of its divisors is an integer number (134012602350).

Almost surely, 21042320240430 is an apocalyptic number.

1042320240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042320240430 is an abundant number, since it is smaller than the sum of its proper divisors (1101881397170).

1042320240430 is a wasteful number, since it uses less digits than its factorization.

1042320240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890289163.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1042320240430 its reverse (340420232401), we get a palindrome (1382740472831).

The spelling of 1042320240430 in words is "one trillion, forty-two billion, three hundred twenty million, two hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 14890289149 29780578298 74451445745 104232024043 148902891490 208464048086 521160120215 1042320240430