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1430123230140 = 22351173106927767
BaseRepresentation
bin10100110011111001111…
…111001011001110111100
312001201101202011102211020
4110303321333023032330
5141412343021331030
63012553424024140
7205215533612313
oct24637177131674
95051352142736
101430123230140
1150156a309a10
121b1201462050
13a4b246871c7
144d30b17127a
15273029cb510
hex14cf9fcb3bc

1430123230140 has 192 divisors, whose sum is σ = 4432519203840. Its totient is φ = 341615093760.

The previous prime is 1430123230127. The next prime is 1430123230177. The reversal of 1430123230140 is 410323210341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1430123230140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51490537 + ... + 51518303.

It is an arithmetic number, because the mean of its divisors is an integer number (23086037520).

Almost surely, 21430123230140 is an apocalyptic number.

1430123230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430123230140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216259601920).

1430123230140 is an abundant number, since it is smaller than the sum of its proper divisors (3002395973700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1430123230140 is a wasteful number, since it uses less digits than its factorization.

1430123230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28932 (or 28930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1430123230140 its reverse (410323210341), we get a palindrome (1840446440481).

The spelling of 1430123230140 in words is "one trillion, four hundred thirty billion, one hundred twenty-three million, two hundred thirty thousand, one hundred forty".