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30020520400519 = 1119143638853591
BaseRepresentation
bin1101101001101101100100…
…11101000101011010000111
310221021221012200110010001011
412310312302131011122013
512413324011210304034
6143503123042343051
76215624324044615
oct664666235053207
9127257180403034
1030020520400519
1196246a4150750
12344a21765aa87
131399bcc89278c
1475b0028186b5
15370d8158c864
hex1b4db2745687

30020520400519 has 8 divisors (see below), whose sum is σ = 34473324862080. Its totient is φ = 25854993646200.

The previous prime is 30020520400483. The next prime is 30020520400537. The reversal of 30020520400519 is 91500402502003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30020520400519 - 215 = 30020520367751 is a prime.

It is a super-2 number, since 2×300205204005192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020520400319) 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, 71819426587 + ... + 71819427004.

It is an arithmetic number, because the mean of its divisors is an integer number (4309165607760).

Almost surely, 230020520400519 is an apocalyptic number.

30020520400519 is a deficient number, since it is larger than the sum of its proper divisors (4452804461561).

30020520400519 is a wasteful number, since it uses less digits than its factorization.

30020520400519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143638853621.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 30020520400519 in words is "thirty trillion, twenty billion, five hundred twenty million, four hundred thousand, five hundred nineteen".

Divisors: 1 11 19 209 143638853591 1580027389501 2729138218229 30020520400519