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493030740423 = 31331407800447
BaseRepresentation
bin1110010110010101110…
…11000001000111000111
31202010121011022122101110
413023022323001013013
531034211332143143
61014254543500103
750422522101324
oct7131273010707
91663534278343
10493030740423
11180102aaa641
127b676bb7633
1337653318b40
1419c117c9b4b
15cc58d8c533
hex72caec11c7

493030740423 has 16 divisors (see below), whose sum is σ = 730778402816. Its totient is φ = 293616321120.

The previous prime is 493030740413. The next prime is 493030740431. The reversal of 493030740423 is 324047030394.

It is not a de Polignac number, because 493030740423 - 29 = 493030739911 is a prime.

It is a super-2 number, since 2×4930307404232 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493030740413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203899015 + ... + 203901432.

It is an arithmetic number, because the mean of its divisors is an integer number (45673650176).

Almost surely, 2493030740423 is an apocalyptic number.

493030740423 is a deficient number, since it is larger than the sum of its proper divisors (237747662393).

493030740423 is a wasteful number, since it uses less digits than its factorization.

493030740423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407800494.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 493030740423 in words is "four hundred ninety-three billion, thirty million, seven hundred forty thousand, four hundred twenty-three".

Divisors: 1 3 13 31 39 93 403 1209 407800447 1223401341 5301405811 12641813857 15904217433 37925441571 164343580141 493030740423