Search a number
-
+
802473779094 = 231361401420593
BaseRepresentation
bin10111010110101110010…
…10100001111110010110
32211201022202222201221120
423223113022201332112
5101121431241412334
61412352410024410
7111656022401661
oct13532712417626
92751282881846
10802473779094
1128a366589629
1210b636a18106
135a899627ca0
142aba8b0c6d8
1515d1a58d949
hexbad72a1f96

802473779094 has 64 divisors (see below), whose sum is σ = 1761124655808. Its totient is φ = 242260992000.

The previous prime is 802473779069. The next prime is 802473779113. The reversal of 802473779094 is 490977374208.

It is a super-2 number, since 2×8024737790942 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697662 + ... + 2118254.

It is an arithmetic number, because the mean of its divisors is an integer number (27517572747).

Almost surely, 2802473779094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802473779094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880562327904).

802473779094 is an abundant number, since it is smaller than the sum of its proper divisors (958650876714).

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

802473779094 is a wasteful number, since it uses less digits than its factorization.

802473779094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421073.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 802473779094 in words is "eight hundred two billion, four hundred seventy-three million, seven hundred seventy-nine thousand, ninety-four".

Divisors: 1 2 3 6 13 26 39 61 78 122 183 366 401 793 802 1203 1586 2379 2406 4758 5213 10426 15639 24461 31278 48922 73383 146766 317993 420593 635986 841186 953979 1261779 1907958 2523558 5467709 10935418 16403127 25656173 32806254 51312346 76968519 153937038 168657793 333530249 337315586 505973379 667060498 1000590747 1011946758 2001181494 2192551309 4385102618 6577653927 10288125373 13155307854 20576250746 30864376119 61728752238 133745629849 267491259698 401236889547 802473779094