Search a number
-
+
103866448037121 = 3272112441192
BaseRepresentation
bin10111100111011101001010…
…101111010100010100000001
3111121202112110100102120112100
4113213131022233110110001
5102103221441144141441
61004523330522421013
730610050260200200
oct2747351257242401
9447675410376470
10103866448037121
1130105571140400
12b79601b361769
1345c5744208873
141b9123d03d237
15c01c10b92cb6
hex5e774abd4501

103866448037121 has 81 divisors (see below), whose sum is σ = 191836398783393. Its totient is φ = 53955373404240.

The previous prime is 103866448037101. The next prime is 103866448037129. The reversal of 103866448037121 is 121730844668301.

The square root of 103866448037121 is 10191489.

It is a perfect power (a square), and thus also a powerful number.

103866448037121 is a `hidden beast` number, since 1 + 0 + 3 + 8 + 6 + 6 + 4 + 480 + 37 + 121 = 666.

It is not a de Polignac number, because 103866448037121 - 25 = 103866448037089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103866448037129) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2354211900 + ... + 2354256018.

Almost surely, 2103866448037121 is an apocalyptic number.

103866448037121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103866448037121 is the 10191489-th square number.

103866448037121 is the 5095745-th centered octagonal number.

It is an amenable number.

103866448037121 is a deficient number, since it is larger than the sum of its proper divisors (87969950746272).

103866448037121 is an frugal number, since it uses more digits than its factorization.

103866448037121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88280 (or 44140 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 103866448037121 in words is "one hundred three trillion, eight hundred sixty-six billion, four hundred forty-eight million, thirty-seven thousand, one hundred twenty-one".

Divisors: 1 3 7 9 11 21 33 49 63 77 99 121 147 231 363 441 539 693 847 1089 1617 2541 4851 5929 7623 17787 44119 53361 132357 308833 397071 485309 926499 1455927 2161831 2779497 3397163 4367781 5338399 6485493 10191489 16015197 19456479 23780141 30574467 37368793 48045591 71340423 112106379 214021269 261581551 336319137 784744653 1946486161 2354233959 5839458483 13625403127 17518375449 21411347771 40876209381 64234043313 95377821889 122628628143 149879434397 192702129939 235524825481 286133465667 449638303191 706574476443 858400397001 1049156040779 1348914909573 1648673778367 2119723429329 3147468122337 4946021335101 9442404367011 11540716448569 14838064005303 34622149345707 103866448037121