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1401130144 = 2543785317
BaseRepresentation
bin101001110000011…
…1000110010100000
310121122110210020001
41103200320302200
510332142131034
6351011025344
746502260351
oct12340706240
93548423201
101401130144
116599a08a7
1233129b254
13194385cbb
14d4127d28
1583019a14
hex53838ca0

1401130144 has 12 divisors (see below), whose sum is σ = 2758475034. Its totient is φ = 700565056.

The previous prime is 1401130111. The next prime is 1401130217. The reversal of 1401130144 is 4410311041.

It can be written as a sum of positive squares in only one way, i.e., 1176490000 + 224640144 = 34300^2 + 14988^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21892627 + ... + 21892690.

Almost surely, 21401130144 is an apocalyptic number.

It is an amenable number.

1401130144 is a deficient number, since it is larger than the sum of its proper divisors (1357344890).

1401130144 is an equidigital number, since it uses as much as digits as its factorization.

1401130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43785327 (or 43785319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1401130144 is about 37431.6730056245. The cubic root of 1401130144 is about 1118.9898800703.

Adding to 1401130144 its reverse (4410311041), we get a palindrome (5811441185).

The spelling of 1401130144 in words is "one billion, four hundred one million, one hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 43785317 87570634 175141268 350282536 700565072 1401130144