Search a number
-
+
70225072668 = 22322161790239
BaseRepresentation
bin100000101100110111…
…1011001001000011100
320201021002212022112100
41001121233121020130
52122310104311133
652132211005100
75034146161122
oct1013157311034
9221232768470
1070225072668
112786724a543
121173a299790
136811c6cc4a
143582883912
151c6026de13
hex1059bd921c

70225072668 has 36 divisors (see below), whose sum is σ = 177523557120. Its totient is φ = 23407015296.

The previous prime is 70225072661. The next prime is 70225072703. The reversal of 70225072668 is 86627052207.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70225072661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733093 + ... + 823331.

It is an arithmetic number, because the mean of its divisors is an integer number (4931209920).

Almost surely, 270225072668 is an apocalyptic number.

It is an amenable number.

70225072668 is an abundant number, since it is smaller than the sum of its proper divisors (107298484452).

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

70225072668 is a wasteful number, since it uses less digits than its factorization.

70225072668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111866 (or 111861 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 70225072668 in words is "seventy billion, two hundred twenty-five million, seventy-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 21617 43234 64851 86468 90239 129702 180478 194553 259404 270717 360956 389106 541434 778212 812151 1082868 1624302 3248604 1950696463 3901392926 5852089389 7802785852 11704178778 17556268167 23408357556 35112536334 70225072668