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2115120300000 = 2535541359479
BaseRepresentation
bin11110110001110110111…
…111100111111111100000
321111012111101000000110220
4132301312333213333200
5234123231244100000
64255401200323040
7305545436623611
oct36616677477740
97435441000426
102115120300000
117460212a5094
122a1b11613480
131245bb7c0496
147452dacbc08
153a0448911a0
hex1ec76fe7fe0

2115120300000 has 576 divisors, whose sum is σ = 7143742771200. Its totient is φ = 547596800000.

The previous prime is 2115120299987. The next prime is 2115120300067. The reversal of 2115120300000 is 30215112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4415699761 + ... + 4415700239.

It is an arithmetic number, because the mean of its divisors is an integer number (12402331200).

Almost surely, 22115120300000 is an apocalyptic number.

2115120300000 is a gapful number since it is divisible by the number (20) 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 2115120300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571871385600).

2115120300000 is an abundant number, since it is smaller than the sum of its proper divisors (5028622471200).

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

2115120300000 is an equidigital number, since it uses as much as digits as its factorization.

2115120300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 2115120300000 its reverse (30215112), we get a palindrome (2115150515112).

The spelling of 2115120300000 in words is "two trillion, one hundred fifteen billion, one hundred twenty million, three hundred thousand".