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2312320020000 = 2535474351869
BaseRepresentation
bin100001101001100001000…
…000110110111000100000
322012001111120001201222020
4201221201000312320200
5300341112411120000
64530133134541440
7326026305605154
oct41514100667040
98161446051866
102312320020000
118117164074a1
12314187367880
1313a087914b33
147dcb9d15064
1540237072ba0
hex21a61036e20

2312320020000 has 240 divisors, whose sum is σ = 7595226999360. Its totient is φ = 615776896000.

The previous prime is 2312320019927. The next prime is 2312320020011. The reversal of 2312320020000 is 200232132.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44554066 + ... + 44605934.

It is an arithmetic number, because the mean of its divisors is an integer number (31646779164).

Almost surely, 22312320020000 is an apocalyptic number.

2312320020000 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 2312320020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3797613499680).

2312320020000 is an abundant number, since it is smaller than the sum of its proper divisors (5282906979360).

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

2312320020000 is an equidigital number, since it uses as much as digits as its factorization.

2312320020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52645 (or 52622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 2312320020000 its reverse (200232132), we get a palindrome (2312520252132).

The spelling of 2312320020000 in words is "two trillion, three hundred twelve billion, three hundred twenty million, twenty thousand".