Search a number
-
+
195333867420680 = 23561467171423691
BaseRepresentation
bin101100011010011110110101…
…110001111011110000001000
3221121121201212001222012002102
4230122132311301323300020
5201100322230024430210
61531235050114252532
756100256220644562
oct5432366561736010
9847551761865072
10195333867420680
115726a69a8a755a
1219aa9018b87148
1384cbb9b700511
1436342d130a332
15178b13743cea5
hexb1a7b5c7bc08

195333867420680 has 64 divisors (see below), whose sum is σ = 447662686236480. Its totient is φ = 76688101958400.

The previous prime is 195333867420647. The next prime is 195333867420689. The reversal of 195333867420680 is 86024768333591.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (195333867420689) 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, 84572366 + ... + 86851325.

It is an arithmetic number, because the mean of its divisors is an integer number (6994729472445).

It is a 1-persistent number, because it is pandigital, but 2⋅195333867420680 = 390667734841360 is not.

Almost surely, 2195333867420680 is an apocalyptic number.

195333867420680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195333867420680 is an abundant number, since it is smaller than the sum of its proper divisors (252328818815800).

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

195333867420680 is a wasteful number, since it uses less digits than its factorization.

195333867420680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171424230 (or 171424226 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 65.

The spelling of 195333867420680 in words is "one hundred ninety-five trillion, three hundred thirty-three billion, eight hundred sixty-seven million, four hundred twenty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 467 488 610 934 1220 1868 2335 2440 3736 4670 9340 18680 28487 56974 113948 142435 227896 284870 569740 1139480 171423691 342847382 685694764 857118455 1371389528 1714236910 3428473820 6856947640 10456845151 20913690302 41827380604 52284225755 80054863697 83654761208 104568451510 160109727394 209136903020 320219454788 400274318485 418273806040 640438909576 800548636970 1601097273940 3202194547880 4883346685517 9766693371034 19533386742068 24416733427585 39066773484136 48833466855170 97666933710340 195333867420680