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1234031433420 = 223520567190557
BaseRepresentation
bin10001111101010010000…
…000010101011011001100
311100222020202212001100110
4101331102000111123030
5130204244021332140
62342523424200020
7155104310054052
oct21752200253314
94328222761313
101234031433420
11436393633785
1217b1b6769010
138c4a3c58a66
1443a2814a1d2
15221776e8380
hex11f520156cc

1234031433420 has 24 divisors (see below), whose sum is σ = 3455288013744. Its totient is φ = 329075048896.

The previous prime is 1234031433419. The next prime is 1234031433433. The reversal of 1234031433420 is 243341304321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10283595219 + ... + 10283595338.

It is an arithmetic number, because the mean of its divisors is an integer number (143970333906).

Almost surely, 21234031433420 is an apocalyptic number.

1234031433420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234031433420 is an abundant number, since it is smaller than the sum of its proper divisors (2221256580324).

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

1234031433420 is a wasteful number, since it uses less digits than its factorization.

1234031433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20567190569 (or 20567190567 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1234031433420 its reverse (243341304321), we get a palindrome (1477372737741).

The spelling of 1234031433420 in words is "one trillion, two hundred thirty-four billion, thirty-one million, four hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20567190557 41134381114 61701571671 82268762228 102835952785 123403143342 205671905570 246806286684 308507858355 411343811140 617015716710 1234031433420