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2031230144 = 26371137591
BaseRepresentation
bin111100100010010…
…0001110011000000
312020120010011221002
41321010201303000
513124443331034
6533320151132
7101223112526
oct17104416300
95216104832
102031230144
119526382a9
124883084a8
13264a90238
14153aa8316
15bd4d0e7e
hex79121cc0

2031230144 has 56 divisors (see below), whose sum is σ = 4176845088. Its totient is φ = 979292160.

The previous prime is 2031230099. The next prime is 2031230147. The reversal of 2031230144 is 4410321302.

It is not an unprimeable number, because it can be changed into a prime (2031230147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263789 + ... + 271379.

Almost surely, 22031230144 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 2031230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088422544).

2031230144 is an abundant number, since it is smaller than the sum of its proper divisors (2145614944).

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

2031230144 is a wasteful number, since it uses less digits than its factorization.

2031230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753 (or 7743 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2031230144 is about 45069.1706602196. The cubic root of 2031230144 is about 1266.4451281375.

Adding to 2031230144 its reverse (4410321302), we get a palindrome (6441551446).

The spelling of 2031230144 in words is "two billion, thirty-one million, two hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 37 64 74 113 148 226 296 452 592 904 1184 1808 2368 3616 4181 7232 7591 8362 15182 16724 30364 33448 60728 66896 121456 133792 242912 267584 280867 485824 561734 857783 1123468 1715566 2246936 3431132 4493872 6862264 8987744 13724528 17975488 27449056 31737971 54898112 63475942 126951884 253903768 507807536 1015615072 2031230144