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12140877458 = 261491202679
BaseRepresentation
bin10110100111010011…
…10001011010010010
31011100010012110220002
423103221301122102
5144331031034313
65324421050002
7606601520123
oct132351613222
934303173802
1012140877458
115170232a26
122429b56902
1311b63bb378
1483261004a
154b0cec058
hex2d3a71692

12140877458 has 16 divisors (see below), whose sum is σ = 18547652160. Its totient is φ = 5958733200.

The previous prime is 12140877457. The next prime is 12140877467. The reversal of 12140877458 is 85477804121.

12140877458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121408774583 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12140877457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41438 + ... + 161241.

It is an arithmetic number, because the mean of its divisors is an integer number (1159228260).

Almost surely, 212140877458 is an apocalyptic number.

12140877458 is a deficient number, since it is larger than the sum of its proper divisors (6406774702).

12140877458 is a wasteful number, since it uses less digits than its factorization.

12140877458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203233.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 12140877458 in words is "twelve billion, one hundred forty million, eight hundred seventy-seven thousand, four hundred fifty-eight".

Divisors: 1 2 61 122 491 982 29951 59902 202679 405358 12363419 24726838 99515389 199030778 6070438729 12140877458