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1023130431420 = 223517052173857
BaseRepresentation
bin11101110001101110101…
…00110110111110111100
310121210212201102002100020
432320313110312332330
5113230332342301140
62102004123532140
7133630061114106
oct16706724667674
93553781362306
101023130431420
113649a8501419
1214635838a050
1375633394956
143773c3a8576
151b93223c6d0
hexee37536fbc

1023130431420 has 24 divisors (see below), whose sum is σ = 2864765208144. Its totient is φ = 272834781696.

The previous prime is 1023130431419. The next prime is 1023130431467. The reversal of 1023130431420 is 241340313201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8526086869 + ... + 8526086988.

It is an arithmetic number, because the mean of its divisors is an integer number (119365217006).

Almost surely, 21023130431420 is an apocalyptic number.

1023130431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023130431420 is an abundant number, since it is smaller than the sum of its proper divisors (1841634776724).

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

1023130431420 is a wasteful number, since it uses less digits than its factorization.

1023130431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052173869 (or 17052173867 counting only the distinct ones).

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

Adding to 1023130431420 its reverse (241340313201), we get a palindrome (1264470744621).

The spelling of 1023130431420 in words is "one trillion, twenty-three billion, one hundred thirty million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17052173857 34104347714 51156521571 68208695428 85260869285 102313043142 170521738570 204626086284 255782607855 341043477140 511565215710 1023130431420