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309385357014 = 231723238912527
BaseRepresentation
bin1001000000010001100…
…11011110011011010110
31002120120121010120012110
410200020303132123112
520032110122411024
6354044001531450
731231600100256
oct4401063363326
91076517116173
10309385357014
1110a233a719a8
124bb64643b86
13232373944b6
1410d8d7c9966
1580ab60a629
hex4808cde6d6

309385357014 has 32 divisors (see below), whose sum is σ = 619438440960. Its totient is φ = 103017231072.

The previous prime is 309385356989. The next prime is 309385357027. The reversal of 309385357014 is 410753583903.

It is a super-3 number, since 3×3093853570143 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24691219 + ... + 24703745.

It is an arithmetic number, because the mean of its divisors is an integer number (19357451280).

Almost surely, 2309385357014 is an apocalyptic number.

309385357014 is an abundant number, since it is smaller than the sum of its proper divisors (310053083946).

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

309385357014 is a wasteful number, since it uses less digits than its factorization.

309385357014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 309385357014 in words is "three hundred nine billion, three hundred eighty-five million, three hundred fifty-seven thousand, fourteen".

Divisors: 1 2 3 6 1723 2389 3446 4778 5169 7167 10338 12527 14334 25054 37581 75162 4116247 8232494 12348741 21584021 24697482 29927003 43168042 59854006 64752063 89781009 129504126 179562018 51564226169 103128452338 154692678507 309385357014