Search a number
-
+
975230197631 = 47101210931861
BaseRepresentation
bin11100011000100000011…
…11111101111101111111
310110020020110200002110022
432030100033331331333
5111434232412311011
62024003051402355
7130313053622534
oct16142017757577
93406213602408
10975230197631
11346658027848
1213900a7533bb
1370c6b660551
14352b68a2d8b
151a57bdb58db
hexe3103fdf7f

975230197631 has 24 divisors (see below), whose sum is σ = 1007399975232. Its totient is φ = 943658352000.

The previous prime is 975230197619. The next prime is 975230197649. The reversal of 975230197631 is 136791032579.

It is a de Polignac number, because none of the positive numbers 2k-975230197631 is a prime.

It is a super-2 number, since 2×9752301976312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975230197661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524034641 + ... + 524036501.

It is an arithmetic number, because the mean of its divisors is an integer number (41974998968).

Almost surely, 2975230197631 is an apocalyptic number.

975230197631 is a deficient number, since it is larger than the sum of its proper divisors (32169777601).

975230197631 is a wasteful number, since it uses less digits than its factorization.

975230197631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 53.

The spelling of 975230197631 in words is "nine hundred seventy-five billion, two hundred thirty million, one hundred ninety-seven thousand, six hundred thirty-one".

Divisors: 1 47 101 1093 1861 4747 10201 51371 87467 110393 187961 479447 2034073 5188471 8834167 11149693 18984061 95601431 205441373 524035571 892250867 9655744531 20749578673 975230197631