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54123311400 = 233521737612351
BaseRepresentation
bin110010011010000000…
…000011000100101000
312011200221120002111220
4302122000003010220
51341321031431100
640510334222040
73624140361534
oct623200030450
9164627502456
1054123311400
1120a5421aa24
12a5a5954920
1351470a7662
1428961c2bc4
15161b876aa0
hexc9a003128

54123311400 has 384 divisors, whose sum is σ = 185523125760. Its totient is φ = 12994560000.

The previous prime is 54123311393. The next prime is 54123311413. The reversal of 54123311400 is 411332145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23020225 + ... + 23022575.

It is an arithmetic number, because the mean of its divisors is an integer number (483133140).

Almost surely, 254123311400 is an apocalyptic number.

54123311400 is a gapful number since it is divisible by the number (50) 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 54123311400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92761562880).

54123311400 is an abundant number, since it is smaller than the sum of its proper divisors (131399814360).

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

54123311400 is a wasteful number, since it uses less digits than its factorization.

54123311400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 54123311400 its reverse (411332145), we get a palindrome (54534643545).

The spelling of 54123311400 in words is "fifty-four billion, one hundred twenty-three million, three hundred eleven thousand, four hundred".