Search a number
-
+
230704176571631 = 7741724623180463
BaseRepresentation
bin110100011101001100000000…
…011111100010010011101111
31010020212002210201210000222122
4310131030000133202103233
5220214324123200243011
62134400011404303155
766410553364063160
oct6435140037422357
91106762721700878
10230704176571631
1167567101258094
1221a60021b41abb
139b96406230009
1440d81dac6d767
151ba12299233db
hexd1d3007e24ef

230704176571631 has 16 divisors (see below), whose sum is σ = 263709635088384. Its totient is φ = 197710650356544.

The previous prime is 230704176571621. The next prime is 230704176571639. The reversal of 230704176571631 is 136175671407032.

230704176571631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 230704176571631 - 218 = 230704176309487 is a prime.

It is a super-2 number, since 2×2307041765716312 (a number of 30 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 (230704176571639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278311306 + ... + 1278491768.

It is an arithmetic number, because the mean of its divisors is an integer number (16481852193024).

Almost surely, 2230704176571631 is an apocalyptic number.

230704176571631 is a deficient number, since it is larger than the sum of its proper divisors (33005458516753).

230704176571631 is a wasteful number, since it uses less digits than its factorization.

230704176571631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212510.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 230704176571631 in words is "two hundred thirty trillion, seven hundred four billion, one hundred seventy-six million, five hundred seventy-one thousand, six hundred thirty-one".

Divisors: 1 7 7417 24623 51919 172361 180463 1263241 182628791 1278401537 1338494071 4443540449 9369458497 31104783143 32957739510233 230704176571631