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310011300000 = 25345538273
BaseRepresentation
bin1001000001011100001…
…11010000100010100000
31002122012012221202120000
410200232013100202200
520034400343100000
6354230042020000
731253240400033
oct4405607204240
91078165852500
10310011300000
1110a52532a156
12500ba1a7600
1323306c7456c
141100c9a701a
1580e6550000
hex482e1d08a0

310011300000 has 360 divisors, whose sum is σ = 1139625114012. Its totient is φ = 82667520000.

The previous prime is 310011299993. The next prime is 310011300077. The reversal of 310011300000 is 3110013.

It can be written as a sum of positive squares in 6 ways, for example, as 4922986896 + 305088313104 = 70164^2 + 552348^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×3100113000002 (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8080864 + ... + 8119136.

Almost surely, 2310011300000 is an apocalyptic number.

310011300000 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 310011300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569812557006).

310011300000 is an abundant number, since it is smaller than the sum of its proper divisors (829613814012).

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

310011300000 is an frugal number, since it uses more digits than its factorization.

310011300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320 (or 38283 counting only the distinct ones).

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

Adding to 310011300000 its reverse (3110013), we get a palindrome (310014410013).

The spelling of 310011300000 in words is "three hundred ten billion, eleven million, three hundred thousand".