Search a number
-
+
20246537028 = 22319115377017
BaseRepresentation
bin10010110110110010…
…011010001101000100
31221021000102122110210
4102312302122031010
5312431103141103
613145013315420
71314504503514
oct226662321504
957230378423
1020246537028
11864a707a33
123b10635b70
131ba87a7033
14da0d3d844
157d7718e03
hex4b6c9a344

20246537028 has 48 divisors (see below), whose sum is σ = 49772112320. Its totient is φ = 6388015104.

The previous prime is 20246536997. The next prime is 20246537033. The reversal of 20246537028 is 82073564202.

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, 224376 + ... + 301392.

Almost surely, 220246537028 is an apocalyptic number.

It is an amenable number.

20246537028 is an abundant number, since it is smaller than the sum of its proper divisors (29525575292).

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

20246537028 is a wasteful number, since it uses less digits than its factorization.

20246537028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78196 (or 78194 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 20246537028 in words is "twenty billion, two hundred forty-six million, five hundred thirty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1153 2306 3459 4612 6918 13836 21907 43814 65721 77017 87628 131442 154034 231051 262884 308068 462102 924204 1463323 2926646 4389969 5853292 8779938 17559876 88800601 177601202 266401803 355202404 532803606 1065607212 1687211419 3374422838 5061634257 6748845676 10123268514 20246537028