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28573001716 = 227343974993
BaseRepresentation
bin11010100111000101…
…010110011111110100
32201202022010212201211
4122213011112133310
5432004142023331
621043134331204
72031031336000
oct324705263764
981668125654
1028573001716
1111132795106
125655059b04
132904852a0c
141550b09700
15b236ee8b1
hex6a71567f4

28573001716 has 96 divisors (see below), whose sum is σ = 60295558400. Its totient is φ = 11835113472.

The previous prime is 28573001711. The next prime is 28573001783. The reversal of 28573001716 is 61710037582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573001711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5720116 + ... + 5725108.

Almost surely, 228573001716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28573001716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30147779200).

28573001716 is an abundant number, since it is smaller than the sum of its proper divisors (31722556684).

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

28573001716 is a wasteful number, since it uses less digits than its factorization.

28573001716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158 (or 5142 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 28573001716 in words is "twenty-eight billion, five hundred seventy-three million, one thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 43 49 86 97 98 172 194 196 301 343 388 602 679 686 1204 1358 1372 2107 2716 4171 4214 4753 4993 8342 8428 9506 9986 14749 16684 19012 19972 29197 29498 33271 34951 58394 58996 66542 69902 116788 133084 139804 204379 214699 244657 408758 429398 484321 489314 817516 858796 968642 978628 1430653 1502893 1712599 1937284 2861306 3005786 3390247 3425198 5722612 6011572 6780494 6850396 10520251 13560988 20825803 21040502 23731729 41651606 42081004 47463458 73641757 83303212 94926916 145780621 147283514 166122103 291561242 294567028 332244206 583122484 664488412 1020464347 2040928694 4081857388 7143250429 14286500858 28573001716