Search a number
-
+
20480444408402 = 21119421787914771
BaseRepresentation
bin1001010100000011110011…
…00111010010001001010010
32200111220121101101020100222
410222001321213102021102
510141022422232032102
6111320330345113042
74212443335064546
oct452017147221122
980456541336328
1020480444408402
116586786a43090
1223692b7488782
13b573b3b46724
1450b38a1dda26
15257b23c84aa2
hex12a0799d2252

20480444408402 has 64 divisors (see below), whose sum is σ = 35367996902400. Its totient is φ = 8796669336000.

The previous prime is 20480444408377. The next prime is 20480444408441.

20480444408402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386523277 + ... + 1386538047.

It is an arithmetic number, because the mean of its divisors is an integer number (552624951600).

Almost surely, 220480444408402 is an apocalyptic number.

20480444408402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20480444408402 is a deficient number, since it is larger than the sum of its proper divisors (14887552493998).

20480444408402 is a wasteful number, since it uses less digits than its factorization.

20480444408402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103.

The product of its (nonzero) digits is 1048576, while the sum is 44.

The spelling of 20480444408402 in words is "twenty trillion, four hundred eighty billion, four hundred forty-four million, four hundred eight thousand, four hundred two".

Divisors: 1 2 11 19 22 38 209 418 421 842 4631 7879 7999 9262 14771 15758 15998 29542 86669 87989 149701 162481 173338 175978 280649 299402 324962 561298 1646711 3087139 3293422 3317059 6174278 6218591 6634118 12437182 36487649 63024121 68404501 72975298 116380709 118153229 126048242 136809002 232761418 236306458 693265331 1280187799 1299685519 1386530662 2211233471 2560375598 2599371038 4422466942 24323568181 48647136362 48996278489 97992556978 538959063379 930929291291 1077918126758 1861858582582 10240222204201 20480444408402