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45431221230 = 2325504791347
BaseRepresentation
bin101010010011111010…
…010110101111101110
311100021011212011101100
4222103322112233232
51221020343034410
632512032423530
73165554003013
oct522372265756
9140234764340
1045431221230
11182a3815a2a
12897a9a7ba6
134390364535
1422ada3d70a
1512ad71c8c0
hexa93e96bee

45431221230 has 24 divisors (see below), whose sum is σ = 118121175432. Its totient is φ = 12114992304.

The previous prime is 45431221229. The next prime is 45431221249. The reversal of 45431221230 is 3212213454.

45431221230 is a `hidden beast` number, since 4 + 5 + 431 + 221 + 2 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 45431221194 and 45431221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252395584 + ... + 252395763.

It is an arithmetic number, because the mean of its divisors is an integer number (4921715643).

Almost surely, 245431221230 is an apocalyptic number.

45431221230 is an abundant number, since it is smaller than the sum of its proper divisors (72689954202).

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

45431221230 is a wasteful number, since it uses less digits than its factorization.

45431221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504791360 (or 504791357 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 45431221230 its reverse (3212213454), we get a palindrome (48643434684).

The spelling of 45431221230 in words is "forty-five billion, four hundred thirty-one million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 504791347 1009582694 1514374041 2523956735 3028748082 4543122123 5047913470 7571870205 9086244246 15143740410 22715610615 45431221230