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2054543144 = 23388966037
BaseRepresentation
bin111101001110101…
…1101011100101000
312022011222121100112
41322131131130220
513201430340034
6535511553452
7101625220463
oct17235353450
95264877315
102054543144
11964810745
1249408b888
13269863604
14156c162da
15c05887ce
hex7a75d728

2054543144 has 16 divisors (see below), whose sum is σ = 3853317300. Its totient is φ = 1026991872.

The previous prime is 2054543137. The next prime is 2054543191. The reversal of 2054543144 is 4413454502.

It can be written as a sum of positive squares in 2 ways, for example, as 1803700900 + 250842244 = 42470^2 + 15838^2 .

It is a super-2 number, since 2×20545431442 = 8442295061114809472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2054543144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907 + ... + 64130.

Almost surely, 22054543144 is an apocalyptic number.

It is an amenable number.

2054543144 is a deficient number, since it is larger than the sum of its proper divisors (1798774156).

2054543144 is a wasteful number, since it uses less digits than its factorization.

2054543144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69932 (or 69928 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2054543144 is about 45327.0685573201. The cubic root of 2054543144 is about 1271.2718248953.

Adding to 2054543144 its reverse (4413454502), we get a palindrome (6467997646).

The spelling of 2054543144 in words is "two billion, fifty-four million, five hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 3889 7778 15556 31112 66037 132074 264148 528296 256817893 513635786 1027271572 2054543144