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310111200000000 = 211335872293
BaseRepresentation
bin100011010000010110110001…
…1111010101011100000000000
31111200000100012201121010121000
41012200231203322223200000
5311121330214200000000
63015315041335132000
7122214536425423200
oct10640554372534000
91450010181533530
10310111200000000
118a8a146a8aa393
122a945765514000
131040648c5516b9
145681668278400
1525cba85dd5000
hex11a0b63eab800

310111200000000 has 2592 divisors, whose sum is σ = 1340312009072400. Its totient is φ = 70640640000000.

The previous prime is 310111199999987. The next prime is 310111200000029. The reversal of 310111200000000 is 2111013.

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 an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1058399999854 + ... + 1058400000146.

Almost surely, 2310111200000000 is an apocalyptic number.

310111200000000 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 310111200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670156004536200).

310111200000000 is an abundant number, since it is smaller than the sum of its proper divisors (1030200809072400).

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

310111200000000 is an frugal number, since it uses more digits than its factorization.

310111200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 310 counting only the distinct ones).

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

Adding to 310111200000000 its reverse (2111013), we get a palindrome (310111202111013).

The spelling of 310111200000000 in words is "three hundred ten trillion, one hundred eleven billion, two hundred million", and thus it is an aban number.