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493072142140 = 225291914450913
BaseRepresentation
bin1110010110011010110…
…00111100111100111100
31202010201001020001212101
413023031120330330330
531034302432022030
61014303023114444
750423534025124
oct7131530747474
91663631201771
10493072142140
11180124408336
127b688a42a24
133765ba836b6
1419c170c5c84
15cc5c8197ca
hex72cd63cf3c

493072142140 has 48 divisors (see below), whose sum is σ = 1076765114880. Its totient is φ = 189430814720.

The previous prime is 493072142137. The next prime is 493072142149. The reversal of 493072142140 is 41241270394.

It is a self number, because there is not a number n which added to its sum of digits gives 493072142140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493072142149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114677 + ... + 2336236.

It is an arithmetic number, because the mean of its divisors is an integer number (22432606560).

Almost surely, 2493072142140 is an apocalyptic number.

It is an amenable number.

493072142140 is an abundant number, since it is smaller than the sum of its proper divisors (583692972740).

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

493072142140 is a wasteful number, since it uses less digits than its factorization.

493072142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451142 (or 4451140 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 493072142140 in words is "four hundred ninety-three billion, seventy-two million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 191 290 382 580 764 955 1910 3820 5539 11078 22156 27695 55390 110780 4450913 8901826 17803652 22254565 44509130 89018260 129076477 258152954 516305908 645382385 850124383 1290764770 1700248766 2581529540 3400497532 4250621915 8501243830 17002487660 24653607107 49307214214 98614428428 123268035535 246536071070 493072142140