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70319534620 = 2253515976731
BaseRepresentation
bin100000101111101011…
…1101111001000011100
320201111200121110222011
41001133113233020130
52123003300101440
652145423401004
75036404116316
oct1013727571034
9221450543864
1070319534620
11279055a9175
1211765a53164
1368286c4aaa
1435912327b6
151c686cc9ea
hex105f5ef21c

70319534620 has 12 divisors (see below), whose sum is σ = 147671022744. Its totient is φ = 28127813840.

The previous prime is 70319534591. The next prime is 70319534629. The reversal of 70319534620 is 2643591307.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70319534629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757988346 + ... + 1757988385.

It is an arithmetic number, because the mean of its divisors is an integer number (12305918562).

Almost surely, 270319534620 is an apocalyptic number.

It is an amenable number.

70319534620 is an abundant number, since it is smaller than the sum of its proper divisors (77351488124).

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

70319534620 is a wasteful number, since it uses less digits than its factorization.

70319534620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515976740 (or 3515976738 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 70319534620 in words is "seventy billion, three hundred nineteen million, five hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 3515976731 7031953462 14063906924 17579883655 35159767310 70319534620