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10428857493 = 323942134549
BaseRepresentation
bin10011011011001101…
…11011110010010101
3222220210201212000020
421231212323302111
5132324241414433
64442502335353
7516302553225
oct115546736225
928823655006
1010428857493
1144718aaa9a
12203072a559
13ca27c39c2
1470d0ba085
15410871cb3
hex26d9bbc95

10428857493 has 16 divisors (see below), whose sum is σ = 13996896000. Its totient is φ = 6906836160.

The previous prime is 10428857459. The next prime is 10428857513. The reversal of 10428857493 is 39475882401.

It is a happy number.

It is not a de Polignac number, because 10428857493 - 210 = 10428856469 is a prime.

It is a super-2 number, since 2×104288574932 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10428857443) 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, 284583 + ... + 319131.

It is an arithmetic number, because the mean of its divisors is an integer number (874806000).

Almost surely, 210428857493 is an apocalyptic number.

It is an amenable number.

10428857493 is a deficient number, since it is larger than the sum of its proper divisors (3568038507).

10428857493 is a wasteful number, since it uses less digits than its factorization.

10428857493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35212.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 10428857493 in words is "ten billion, four hundred twenty-eight million, eight hundred fifty-seven thousand, four hundred ninety-three".

Divisors: 1 3 239 421 717 1263 34549 100619 103647 301857 8257211 14545129 24771633 43635387 3476285831 10428857493