Search a number
-
+
121703461389 = 3423711078599
BaseRepresentation
bin111000101011000010…
…1110111001000001101
3102122010201112102020000
41301112011313020031
53443222041231024
6131524303314513
711535632232066
oct1612605671015
9378121472200
10121703461389
1147683481954
121b7062aba39
13b6270a62a3
145c6768d56d
1532747decc9
hex1c5617720d

121703461389 has 80 divisors (see below), whose sum is σ = 194200934400. Its totient is φ = 75791026080.

The previous prime is 121703461357. The next prime is 121703461393. The reversal of 121703461389 is 983164307121.

121703461389 is a `hidden beast` number, since 1 + 2 + 170 + 346 + 138 + 9 = 666.

It is not a de Polignac number, because 121703461389 - 25 = 121703461357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121701461389) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14148912 + ... + 14157510.

It is an arithmetic number, because the mean of its divisors is an integer number (2427511680).

Almost surely, 2121703461389 is an apocalyptic number.

It is an amenable number.

121703461389 is a deficient number, since it is larger than the sum of its proper divisors (72497473011).

121703461389 is a wasteful number, since it uses less digits than its factorization.

121703461389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 121703461389 in words is "one hundred twenty-one billion, seven hundred three million, four hundred sixty-one thousand, three hundred eighty-nine".

Divisors: 1 3 9 23 27 69 71 81 107 207 213 321 621 639 963 1633 1863 1917 2461 2889 4899 5751 7383 7597 8599 8667 14697 22149 22791 25797 44091 66447 68373 77391 132273 174731 197777 199341 205119 232173 524193 593331 610529 615357 696519 920093 1572579 1779993 1831587 2760279 4717737 5339979 5494761 8280837 14042167 14153211 16019937 16484283 21162139 24842511 42126501 49452849 63486417 65326603 74527533 126379503 190459251 195979809 379138509 571377753 587939427 1137415527 1502511869 1714133259 1763818281 4507535607 5291454843 13522606821 40567820463 121703461389