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70245286076 = 2272986508973
BaseRepresentation
bin100000101101011110…
…0100000000010111100
320201022111220021010002
41001122330200002330
52122330243123301
652134212133432
75034513036260
oct1013274400274
9221274807102
1070245286076
11278776a6139
1211745007278
1368161c9544
1435854260a0
151c61e1316b
hex105af200bc

70245286076 has 24 divisors (see below), whose sum is σ = 145335076320. Its totient is φ = 29067014592.

The previous prime is 70245286073. The next prime is 70245286081. The reversal of 70245286076 is 67068254207.

It is a self number, because there is not a number n which added to its sum of digits gives 70245286076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70245286073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43253675 + ... + 43255298.

It is an arithmetic number, because the mean of its divisors is an integer number (6055628180).

Almost surely, 270245286076 is an apocalyptic number.

It is an amenable number.

70245286076 is an abundant number, since it is smaller than the sum of its proper divisors (75089790244).

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

70245286076 is a wasteful number, since it uses less digits than its factorization.

70245286076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86509013 (or 86509011 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 70245286076 in words is "seventy billion, two hundred forty-five million, two hundred eighty-six thousand, seventy-six".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 86508973 173017946 346035892 605562811 1211125622 2422251244 2508760217 5017520434 10035040868 17561321519 35122643038 70245286076