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70226163840 = 2735712741143
BaseRepresentation
bin100000101100111001…
…1100011100010000000
320201021011220202100010
41001121303203202000
52122310344220330
652132250224520
75034161354310
oct1013163434200
9221234822303
1070226163840
1127867925338
121173a725140
136812262801
143582a89440
151c603d73b0
hex1059ce3880

70226163840 has 256 divisors, whose sum is σ = 257844510720. Its totient is φ = 15924916224.

The previous prime is 70226163823. The next prime is 70226163841. The reversal of 70226163840 is 4836162207.

It is a happy number.

It is a super-3 number, since 3×702261638403 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (70226163841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686309 + ... + 1727451.

It is an arithmetic number, because the mean of its divisors is an integer number (1007205120).

Almost surely, 270226163840 is an apocalyptic number.

70226163840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70226163840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128922255360).

70226163840 is an abundant number, since it is smaller than the sum of its proper divisors (187618346880).

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

70226163840 is a wasteful number, since it uses less digits than its factorization.

70226163840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41299 (or 41287 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 70226163840 in words is "seventy billion, two hundred twenty-six million, one hundred sixty-three thousand, eight hundred forty".