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30280305050053 = 1749123537154127
BaseRepresentation
bin1101110001010001011101…
…10100111000000111000101
310222012202202112002122222121
412320220232310320013011
512432103031043100203
6144222325145125541
76243452121116452
oct670505664700705
9128182675078877
1030280305050053
119714894881a13
123490638a898b1
1313b8560b3b806
14769808932829
153779d83c70bd
hex1b8a2ed381c5

30280305050053 has 16 divisors (see below), whose sum is σ = 32128371235584. Its totient is φ = 28439674762240.

The previous prime is 30280305049993. The next prime is 30280305050101. The reversal of 30280305050053 is 35005050308203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30280305050053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30280305050153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196386276 + ... + 196540402.

It is an arithmetic number, because the mean of its divisors is an integer number (2008023202224).

Almost surely, 230280305050053 is an apocalyptic number.

It is an amenable number.

30280305050053 is a deficient number, since it is larger than the sum of its proper divisors (1848066185531).

30280305050053 is a wasteful number, since it uses less digits than its factorization.

30280305050053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178172.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 30280305050053 its reverse (35005050308203), we get a palindrome (65285355358256).

The spelling of 30280305050053 in words is "thirty trillion, two hundred eighty billion, three hundred five million, fifty thousand, fifty-three".

Divisors: 1 17 491 8347 23537 154127 400129 2620159 11556667 75676357 196463339 1286498069 3627687199 61670682383 1781194414709 30280305050053