Search a number
-
+
715007228728 = 231315581441247
BaseRepresentation
bin10100110011110011100…
…00000111101100111000
32112100120002020121101011
422121321300013230320
543203313322304403
61304245250203304
7102441355110652
oct12317160075470
92470502217334
10715007228728
11256261a38771
12b66a6583534
135256a647340
142686c48b6d2
15138eb848a6d
hexa679c07b38

715007228728 has 32 divisors (see below), whose sum is σ = 1443860530560. Its totient is φ = 329981408640.

The previous prime is 715007228707. The next prime is 715007228753. The reversal of 715007228728 is 827822700517.

It is a happy number.

715007228728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7150072287282 (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 1399801 + ... + 1841047.

It is an arithmetic number, because the mean of its divisors is an integer number (45120641580).

Almost surely, 2715007228728 is an apocalyptic number.

It is an amenable number.

715007228728 is an abundant number, since it is smaller than the sum of its proper divisors (728853301832).

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

715007228728 is a wasteful number, since it uses less digits than its factorization.

715007228728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456847 (or 456843 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 49.

The spelling of 715007228728 in words is "seven hundred fifteen billion, seven million, two hundred twenty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 15581 31162 62324 124648 202553 405106 441247 810212 882494 1620424 1764988 3529976 5736211 11472422 22944844 45889688 6875069507 13750139014 27500278028 55000556056 89375903591 178751807182 357503614364 715007228728