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30187604428729 = 11103207311285223
BaseRepresentation
bin1101101110100100110010…
…11100000100011110111001
310221212220111001112011212021
412313102121130010132321
512424043203213204404
6144111554413114441
76233660656621366
oct667223134043671
9127786431464767
1030187604428729
119689544790080
123476687788a21
1313ac8a9676067
147651330bd46d
153753aede1454
hex1b74997047b9

30187604428729 has 16 divisors (see below), whose sum is σ = 33253289432064. Its totient is φ = 27175505101200.

The previous prime is 30187604428693. The next prime is 30187604428739. The reversal of 30187604428729 is 92782440678103.

It is a cyclic number.

It is not a de Polignac number, because 30187604428729 - 29 = 30187604428217 is a prime.

It is a super-3 number, since 3×301876044287293 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30187604428739) 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, 22845612 + ... + 24130834.

It is an arithmetic number, because the mean of its divisors is an integer number (2078330589504).

Almost surely, 230187604428729 is an apocalyptic number.

It is an amenable number.

30187604428729 is a deficient number, since it is larger than the sum of its proper divisors (3065685003335).

30187604428729 is a wasteful number, since it uses less digits than its factorization.

30187604428729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306068.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 30187604428729 in words is "thirty trillion, one hundred eighty-seven billion, six hundred four million, four hundred twenty-eight thousand, seven hundred twenty-nine".

Divisors: 1 11 103 1133 20731 228041 1285223 2135293 14137453 23488223 132377969 1456157659 26643958013 293083538143 2744327675339 30187604428729