Search a number
-
+
70843210092 = 223594776963
BaseRepresentation
bin100000111111010010…
…1011001100101101100
320202212011222221200000
41001332211121211230
52130041330210332
652313411504300
75055363231054
oct1017645314554
9222764887600
1070843210092
1128054166316
12118912b8090
1368b0049235
1436009cc564
151c99670b7c
hex107e95996c

70843210092 has 72 divisors (see below), whose sum is σ = 185906849856. Its totient is φ = 23589160848.

The previous prime is 70843210043. The next prime is 70843210099. The reversal of 70843210092 is 29001234807.

It is a super-2 number, since 2×708432100922 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70843210099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882003 + ... + 958965.

Almost surely, 270843210092 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 70843210092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92953424928).

70843210092 is an abundant number, since it is smaller than the sum of its proper divisors (115063639764).

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

70843210092 is a wasteful number, since it uses less digits than its factorization.

70843210092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77929 (or 77915 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 70843210092 its reverse (29001234807), we get a palindrome (99844444899).

The spelling of 70843210092 in words is "seventy billion, eight hundred forty-three million, two hundred ten thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 947 972 1894 2841 3788 5682 8523 11364 17046 25569 34092 51138 76707 76963 102276 153414 153926 230121 230889 306828 307852 460242 461778 692667 920484 923556 1385334 2078001 2770668 4156002 6234003 8312004 12468006 18702009 24936012 37404018 72883961 74808036 145767922 218651883 291535844 437303766 655955649 874607532 1311911298 1967866947 2623822596 3935733894 5903600841 7871467788 11807201682 17710802523 23614403364 35421605046 70843210092