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1023113230420 = 225431189666547
BaseRepresentation
bin11101110001101100100…
…11001111100001010100
310121210211112001012000011
432320312103033201110
5113230313441333140
62102002311130004
7133626461653321
oct16706623174124
93553745035004
101023113230420
11364999823016
12146352673904
137562c951548
1437739dabb48
151b930990cea
hexee364cf854

1023113230420 has 24 divisors (see below), whose sum is σ = 2198503780704. Its totient is φ = 399727959456.

The previous prime is 1023113230411. The next prime is 1023113230423. The reversal of 1023113230420 is 240323113201.

It is a junction number, because it is equal to n+sod(n) for n = 1023113230391 and 1023113230400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023113230423) 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, 594832414 + ... + 594834133.

It is an arithmetic number, because the mean of its divisors is an integer number (91604324196).

Almost surely, 21023113230420 is an apocalyptic number.

1023113230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023113230420 is an abundant number, since it is smaller than the sum of its proper divisors (1175390550284).

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

1023113230420 is a wasteful number, since it uses less digits than its factorization.

1023113230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189666599 (or 1189666597 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1023113230420 its reverse (240323113201), we get a palindrome (1263436343621).

The spelling of 1023113230420 in words is "one trillion, twenty-three billion, one hundred thirteen million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1189666547 2379333094 4758666188 5948332735 11896665470 23793330940 51155661521 102311323042 204622646084 255778307605 511556615210 1023113230420