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30101021010000 = 243354151738313
BaseRepresentation
bin1101101100000011100001…
…01010100010100001010000
310221120121222220112210011000
412312001300222202201100
512421133342334310000
6144004115042022000
76224504234662233
oct666016052424120
9127517886483130
1030101021010000
1196558536a0076
123461943047900
1313a468b633c05
14760c7bc6741a
15372ee3995000
hex1b6070aa2850

30101021010000 has 400 divisors, whose sum is σ = 108681947144320. Its totient is φ = 7973769600000.

The previous prime is 30101021009929. The next prime is 30101021010007. The reversal of 30101021010000 is 1012010103.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×301010210100002 (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101021010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40400844 + ... + 41139156.

Almost surely, 230101021010000 is an apocalyptic number.

30101021010000 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 30101021010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54340973572160).

30101021010000 is an abundant number, since it is smaller than the sum of its proper divisors (78580926134320).

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

30101021010000 is a wasteful number, since it uses less digits than its factorization.

30101021010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738501 (or 738474 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30101021010000 its reverse (1012010103), we get a palindrome (30102033020103).

The spelling of 30101021010000 in words is "thirty trillion, one hundred one billion, twenty-one million, ten thousand".