Search a number
-
+
15655455455652 = 22322239377207967
BaseRepresentation
bin1110001111010001000111…
…0111000111100110100100
32001102122110121102110121200
43203310101313013212210
54022444333044040102
653144003354442500
73204032531505645
oct343642167074644
961378417373550
1015655455455652
114a96494516761
12190a170433430
138973c2c3556c
143c1a29c296cc
151c237ac9851c
hexe3d11dc79a4

15655455455652 has 72 divisors (see below), whose sum is σ = 39755402459136. Its totient is φ = 5194504871424.

The previous prime is 15655455455641. The next prime is 15655455455671. The reversal of 15655455455652 is 25655455455651.

15655455455652 is a `hidden beast` number, since 1 + 5 + 65 + 5 + 4 + 5 + 5 + 4 + 5 + 565 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 15655455455652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75174573 + ... + 75382539.

It is an arithmetic number, because the mean of its divisors is an integer number (552158367488).

Almost surely, 215655455455652 is an apocalyptic number.

15655455455652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15655455455652 is an abundant number, since it is smaller than the sum of its proper divisors (24099947003484).

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

15655455455652 is a wasteful number, since it uses less digits than its factorization.

15655455455652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217577 (or 217572 counting only the distinct ones).

The product of its digits is 450000000, while the sum is 63.

Subtracting 15655455455652 from its reverse (25655455455651), we obtain a palindrome (9999999999999).

The spelling of 15655455455652 in words is "fifteen trillion, six hundred fifty-five billion, four hundred fifty-five million, four hundred fifty-five thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 223 446 669 892 1338 2007 2676 4014 8028 9377 18754 28131 37508 56262 84393 112524 168786 207967 337572 415934 623901 831868 1247802 1871703 2091071 2495604 3743406 4182142 6273213 7486812 8364284 12546426 18819639 25092852 37639278 46376641 75278556 92753282 139129923 185506564 278259846 417389769 556519692 834779538 1669559076 1950106559 3900213118 5850319677 7800426236 11700639354 17550959031 23401278708 35101918062 70203836124 434873762657 869747525314 1304621287971 1739495050628 2609242575942 3913863863913 5218485151884 7827727727826 15655455455652