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30010500000 = 2535561319
BaseRepresentation
bin11011111100110000…
…111110001110100000
32212110111001100200000
4123330300332032200
5442430142000000
621441525100000
72111455020045
oct337460761640
985414040600
1030010500000
1111800165918
125996557600
132aa3600410
1416499bd1cc
15ba9a00000
hex6fcc3e3a0

30010500000 has 1008 divisors, whose sum is σ = 125407769760. Its totient is φ = 6998400000.

The previous prime is 30010499977. The next prime is 30010500001. The reversal of 30010500000 is 501003.

It is a super-2 number, since 2×300105000002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010500001) by changing a digit.

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 167 ways as a sum of consecutive naturals, for example, 1579499991 + ... + 1579500009.

It is an arithmetic number, because the mean of its divisors is an integer number (124412470).

Almost surely, 230010500000 is an apocalyptic number.

30010500000 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 30010500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62703884880).

30010500000 is an abundant number, since it is smaller than the sum of its proper divisors (95397269760).

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

30010500000 is an frugal number, since it uses more digits than its factorization.

30010500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The spelling of 30010500000 in words is "thirty billion, ten million, five hundred thousand".