Search a number
-
+
807070861270848 = 263171273361579281
BaseRepresentation
bin1011011110000001101101001…
…1111111101001111101000000
310220211121012221222110202000210
42313200123103333221331000
51321241022110441131343
611540255122450314120
7331665642211660446
oct26740332377517500
93824535858422023
10807070861270848
11214180914991199
12766278a6588940
13288445c00c4b95
141034261c258b96
156348b72998333
hex2de06d3fe9f40

807070861270848 has 224 divisors, whose sum is σ = 2279470258188288. Its totient is φ = 251129836339200.

The previous prime is 807070861270829. The next prime is 807070861270889. The reversal of 807070861270848 is 848072168070708.

It is a super-2 number, since 2×8070708612708482 (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392938968 + ... + 1393518248.

Almost surely, 2807070861270848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807070861270848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139735129094144).

807070861270848 is an abundant number, since it is smaller than the sum of its proper divisors (1472399396917440).

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

807070861270848 is a wasteful number, since it uses less digits than its factorization.

807070861270848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582801 (or 582791 counting only the distinct ones).

The product of its (nonzero) digits is 67436544, while the sum is 66.

The spelling of 807070861270848 in words is "eight hundred seven trillion, seventy billion, eight hundred sixty-one million, two hundred seventy thousand, eight hundred forty-eight".