Search a number
-
+
20427044274 = 23271312470723
BaseRepresentation
bin10011000001100010…
…111111010110110010
31221201121002100212100
4103001202333112302
5313313310404044
613214542241230
71322126003640
oct230142772662
957647070770
1020427044274
11873259677a
123b60b86216
131c06cc7a60
14dbacca190
157e84c2869
hex4c18bf5b2

20427044274 has 48 divisors (see below), whose sum is σ = 54472122432. Its totient is φ = 5387351904.

The previous prime is 20427044269. The next prime is 20427044317. The reversal of 20427044274 is 47244072402.

20427044274 is a `hidden beast` number, since 204 + 2 + 7 + 0 + 442 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6233724 + ... + 6236999.

It is an arithmetic number, because the mean of its divisors is an integer number (1134835884).

Almost surely, 220427044274 is an apocalyptic number.

20427044274 is an abundant number, since it is smaller than the sum of its proper divisors (34045078158).

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

20427044274 is a wasteful number, since it uses less digits than its factorization.

20427044274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470751 (or 12470748 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The spelling of 20427044274 in words is "twenty billion, four hundred twenty-seven million, forty-four thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 12470723 24941446 37412169 74824338 87295061 112236507 162119399 174590122 224473014 261885183 324238798 486358197 523770366 785655549 972716394 1134835793 1459074591 1571311098 2269671586 2918149182 3404507379 6809014758 10213522137 20427044274