Search a number
-
+
20016683502 = 2319374745539
BaseRepresentation
bin10010101001000101…
…100101100111101110
31220122222220212201020
4102221011211213232
5311443232333002
613110122555010
71306014000564
oct225105454756
956588825636
1020016683502
118541994642
123a67668a66
131b6cc9962a
14d7c5c9a34
157c24642bc
hex4a91659ee

20016683502 has 32 divisors (see below), whose sum is σ = 43279324800. Its totient is φ = 6150217248.

The previous prime is 20016683497. The next prime is 20016683509. The reversal of 20016683502 is 20538661002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016683509) 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, 2368552 + ... + 2376987.

It is an arithmetic number, because the mean of its divisors is an integer number (1352478900).

Almost surely, 220016683502 is an apocalyptic number.

20016683502 is an abundant number, since it is smaller than the sum of its proper divisors (23262641298).

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

20016683502 is a wasteful number, since it uses less digits than its factorization.

20016683502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745600.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 20016683502 in words is "twenty billion, sixteen million, six hundred eighty-three thousand, five hundred two".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 4745539 9491078 14236617 28473234 90165241 175584943 180330482 270495723 351169886 526754829 540991446 1053509658 3336113917 6672227834 10008341751 20016683502