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230675728143 = 371719371376709
BaseRepresentation
bin1101011011010101011…
…0000100011100001111
3211001102012002010121210
43112311112010130033
512234410441300033
6253545421225503
722444234223520
oct3266526043417
9731365063553
10230675728143
1189913486843
1238858a02293
13189a26a59c3
14b244186847
156001578d63
hex35b558470f

230675728143 has 128 divisors (see below), whose sum is σ = 405357004800. Its totient is φ = 113503223808.

The previous prime is 230675728139. The next prime is 230675728147. The reversal of 230675728143 is 341827576032.

It is an interprime number because it is at equal distance from previous prime (230675728139) and next prime (230675728147).

It is not a de Polignac number, because 230675728143 - 22 = 230675728139 is a prime.

It is a super-2 number, since 2×2306757281432 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230675728092 and 230675728101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230675728147) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34379673 + ... + 34386381.

It is an arithmetic number, because the mean of its divisors is an integer number (3166851600).

Almost surely, 2230675728143 is an apocalyptic number.

230675728143 is a deficient number, since it is larger than the sum of its proper divisors (174681276657).

230675728143 is a wasteful number, since it uses less digits than its factorization.

230675728143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 230675728143 in words is "two hundred thirty billion, six hundred seventy-five million, seven hundred twenty-eight thousand, one hundred forty-three".

Divisors: 1 3 7 17 19 21 37 51 57 111 119 133 137 259 323 357 399 411 629 703 777 959 969 1887 2109 2261 2329 2603 2877 4403 4921 5069 6709 6783 6987 7809 11951 13209 14763 15207 16303 18221 20127 35483 35853 44251 46963 48909 54663 83657 86173 96311 106449 114053 127471 132753 140889 248233 250971 258519 288933 309757 342159 382413 603211 674177 744699 798371 892297 919133 929271 1637287 1737631 1809633 2022531 2167007 2395113 2676891 2757399 4219961 4716427 4911861 5212893 6433931 6501021 11461009 12659883 14149281 15169049 15625261 17463527 19301793 29539727 33014989 34007921 34383027 45507147 46875783 52390581 80179259 88619181 99044967 102023763 109376827 122244689 238055447 240537777 296879959 328130481 366734067 561254813 578134657 646150499 714166341 890639877 1683764439 1734403971 1938451497 2078159713 4046942599 4523053493 6234479139 10984558483 12140827797 13569160479 32953675449 76891909381 230675728143