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7438026842 = 26755507663
BaseRepresentation
bin1101110110101011…
…10100100001011010
3201012100221220122122
412323111310201122
5110213113324332
63230022421242
7352215120311
oct67325644132
921170856578
107438026842
113177632724
121536b91822
13916c9cc1c
14507bbd278
152d7edec12
hex1bb57485a

7438026842 has 8 divisors (see below), whose sum is σ = 11323563456. Its totient is φ = 3663505692.

The previous prime is 7438026839. The next prime is 7438026853. The reversal of 7438026842 is 2486208347.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7438026793 and 7438026802.

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, 27753698 + ... + 27753965.

It is an arithmetic number, because the mean of its divisors is an integer number (1415445432).

Almost surely, 27438026842 is an apocalyptic number.

7438026842 is a deficient number, since it is larger than the sum of its proper divisors (3885536614).

7438026842 is a wasteful number, since it uses less digits than its factorization.

7438026842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55507732.

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 7438026842 is about 86243.9959765316. The cubic root of 7438026842 is about 1952.0274194743.

The spelling of 7438026842 in words is "seven billion, four hundred thirty-eight million, twenty-six thousand, eight hundred forty-two".

Divisors: 1 2 67 134 55507663 111015326 3719013421 7438026842