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745032530420 = 225307121340803
BaseRepresentation
bin10101101011101110110…
…01100011100111110100
32122020001121010222010222
422311313121203213310
544201311311433140
61330132504433512
7104553413006453
oct12656731434764
92566047128128
10745032530420
11267a6a493292
12100485a78898
135534402aa49
14280ba000b9a
15145a77be5b5
hexad776639f4

745032530420 has 24 divisors (see below), whose sum is σ = 1569664640544. Its totient is φ = 297042283296.

The previous prime is 745032530393. The next prime is 745032530441. The reversal of 745032530420 is 24035230547.

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, 60664262 + ... + 60676541.

It is an arithmetic number, because the mean of its divisors is an integer number (65402693356).

Almost surely, 2745032530420 is an apocalyptic number.

It is an amenable number.

745032530420 is an abundant number, since it is smaller than the sum of its proper divisors (824632110124).

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

745032530420 is a wasteful number, since it uses less digits than its factorization.

745032530420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121341119 (or 121341117 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 35.

Adding to 745032530420 its reverse (24035230547), we get a palindrome (769067760967).

The spelling of 745032530420 in words is "seven hundred forty-five billion, thirty-two million, five hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 6140 121340803 242681606 485363212 606704015 1213408030 2426816060 37251626521 74503253042 149006506084 186258132605 372516265210 745032530420