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30012301200120 = 23351721635309243
BaseRepresentation
bin1101101001011110010001…
…00011010100101011111000
310221021010222212120110201120
412310233020203110223320
512413210143101400440
6143455243312345240
76215213542021341
oct664571043245370
9127233885513646
1030012301200120
119621166676848
123448702b45220
1313991bcb01ba5
1475a862db10c8
15370a4ebe3dd0
hex1b4bc88d4af8

30012301200120 has 192 divisors, whose sum is σ = 96231534088320. Its totient is φ = 7486286063616.

The previous prime is 30012301200107. The next prime is 30012301200139. The reversal of 30012301200120 is 2100210321003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30012301200120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2998219 + ... + 8307461.

It is an arithmetic number, because the mean of its divisors is an integer number (501205906710).

Almost surely, 230012301200120 is an apocalyptic number.

30012301200120 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 30012301200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48115767044160).

30012301200120 is an abundant number, since it is smaller than the sum of its proper divisors (66219232888200).

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

30012301200120 is a wasteful number, since it uses less digits than its factorization.

30012301200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309454 (or 5309433 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30012301200120 its reverse (2100210321003), we get a palindrome (32112511521123).

The spelling of 30012301200120 in words is "thirty trillion, twelve billion, three hundred one million, two hundred thousand, one hundred twenty".