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74381400000 = 26325531243
BaseRepresentation
bin100010101000101111…
…0100001011111000000
321002222202201121202200
41011101132201133000
52204313114300000
654100443313200
75242145316405
oct1052136413700
9232882647680
1074381400000
11295aa3a7806
12124ba21b800
13702509752b
14385888c2ac
151e050c3500
hex11517a17c0

74381400000 has 756 divisors, whose sum is σ = 281761231752. Its totient is φ = 18748800000.

The previous prime is 74381399933. The next prime is 74381400001. The reversal of 74381400000 is 418347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74381400001) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1729799979 + ... + 1729800021.

It is an arithmetic number, because the mean of its divisors is an integer number (372700042).

Almost surely, 274381400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74381400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140880615876).

74381400000 is an abundant number, since it is smaller than the sum of its proper divisors (207379831752).

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

74381400000 is an equidigital number, since it uses as much as digits as its factorization.

74381400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 74381400000 its reverse (418347), we get a palindrome (74381818347).

The spelling of 74381400000 in words is "seventy-four billion, three hundred eighty-one million, four hundred thousand".