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13433542820 = 2254714291003
BaseRepresentation
bin11001000001011001…
…11001100010100100
31021200012120200101222
430200230321202210
5210002441332240
610100555235512
7653616141605
oct144054714244
937605520358
1013433542820
115773980605
12272aa48b98
131361158a09
14916181dac
1553953deb5
hex320b398a4

13433542820 has 24 divisors (see below), whose sum is σ = 28810664064. Its totient is φ = 5259088736.

The previous prime is 13433542789. The next prime is 13433542823. The reversal of 13433542820 is 2824533431.

It is not an unprimeable number, because it can be changed into a prime (13433542823) 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, 7144562 + ... + 7146441.

It is an arithmetic number, because the mean of its divisors is an integer number (1200444336).

Almost surely, 213433542820 is an apocalyptic number.

13433542820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13433542820 is an abundant number, since it is smaller than the sum of its proper divisors (15377121244).

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

13433542820 is a wasteful number, since it uses less digits than its factorization.

13433542820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291059 (or 14291057 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 13433542820 in words is "thirteen billion, four hundred thirty-three million, five hundred forty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 14291003 28582006 57164012 71455015 142910030 285820060 671677141 1343354282 2686708564 3358385705 6716771410 13433542820