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30100123021320 = 23335113187379493
BaseRepresentation
bin1101101100000001110110…
…01000111111000000001000
310221120112200022211020021000
412312000323020333000020
512421130022443140240
6144003450003015000
76224443052131362
oct666007310770010
9127515608736230
1030100123021320
119655432811970
12346173236a460
1313a4577592b71
14760bd48b1d32
15372e8ec14430
hex1b603b23f008

30100123021320 has 256 divisors, whose sum is σ = 109459803859200. Its totient is φ = 7296678789120.

The previous prime is 30100123021289. The next prime is 30100123021351. The reversal of 30100123021320 is 2312032100103.

30100123021320 is a `hidden beast` number, since 30 + 1 + 0 + 0 + 12 + 302 + 1 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (30100123021289) and next prime (30100123021351).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30100123021293 and 30100123021302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 378611494 + ... + 378690986.

It is an arithmetic number, because the mean of its divisors is an integer number (427577358825).

Almost surely, 230100123021320 is an apocalyptic number.

30100123021320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30100123021320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54729901929600).

30100123021320 is an abundant number, since it is smaller than the sum of its proper divisors (79359680837880).

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

30100123021320 is a wasteful number, since it uses less digits than its factorization.

30100123021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111397 (or 111387 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30100123021320 its reverse (2312032100103), we get a palindrome (32412155121423).

The spelling of 30100123021320 in words is "thirty trillion, one hundred billion, one hundred twenty-three million, twenty-one thousand, three hundred twenty".