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6450348140 = 2251572054251
BaseRepresentation
bin1100000000111100…
…01000000001101100
3121122112110122011222
412000132020001230
5101202242120030
62544021202512
7315563024465
oct60036100154
917575418158
106450348140
112810065035
121300260438
137ba488062
1445295bd6c
1527b4443e5
hex18078806c

6450348140 has 24 divisors (see below), whose sum is σ = 13632016272. Its totient is φ = 2563704000.

The previous prime is 6450348127. The next prime is 6450348211. The reversal of 6450348140 is 418430546.

It is a super-2 number, since 2×64503481402 = 83213982254402919200, 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 6450348140.

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 7 ways as a sum of consecutive naturals, for example, 1023986 + ... + 1030265.

It is an arithmetic number, because the mean of its divisors is an integer number (568000678).

Almost surely, 26450348140 is an apocalyptic number.

It is an amenable number.

6450348140 is an abundant number, since it is smaller than the sum of its proper divisors (7181668132).

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

6450348140 is a wasteful number, since it uses less digits than its factorization.

6450348140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054417 (or 2054415 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 6450348140 is about 80314.0594167671. The cubic root of 6450348140 is about 1861.4914753131.

Adding to 6450348140 its reverse (418430546), we get a palindrome (6868778686).

The spelling of 6450348140 in words is "six billion, four hundred fifty million, three hundred forty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 2054251 4108502 8217004 10271255 20542510 41085020 322517407 645034814 1290069628 1612587035 3225174070 6450348140