Search a number
-
+
70631366730 = 2352981185479
BaseRepresentation
bin100000111000111110…
…1010010000001001010
320202022102101012012120
41001301331102001022
52124123112213410
652240403152110
75050211465661
oct1016175220112
9222272335176
1070631366730
1127a55624261
1211832375636
1368781a6332
1435c0805dd8
151c85c77570
hex1071f5204a

70631366730 has 32 divisors (see below), whose sum is σ = 175360636800. Its totient is φ = 18185547072.

The previous prime is 70631366713. The next prime is 70631366761. The reversal of 70631366730 is 3766313607.

It is a super-2 number, since 2×706313667302 (a number of 22 digits) contains 22 as substring.

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, 40591870 + ... + 40593609.

It is an arithmetic number, because the mean of its divisors is an integer number (5480019900).

Almost surely, 270631366730 is an apocalyptic number.

70631366730 is an abundant number, since it is smaller than the sum of its proper divisors (104729270070).

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

70631366730 is a wasteful number, since it uses less digits than its factorization.

70631366730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81185518.

The product of its (nonzero) digits is 285768, while the sum is 42.

The spelling of 70631366730 in words is "seventy billion, six hundred thirty-one million, three hundred sixty-six thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 81185479 162370958 243556437 405927395 487112874 811854790 1217782185 2354378891 2435564370 4708757782 7063136673 11771894455 14126273346 23543788910 35315683365 70631366730