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55660671415244 = 22731773122967499
BaseRepresentation
bin11001010011111100000101…
…00011000011001111001100
321022002002220220002200100202
430221332002203003033030
524243421023340241434
6314214054235113032
714503231216514660
oct1451760243031714
9238062826080322
1055660671415244
111680a615a41435
1262ab4b22a2778
132509a1801323c
14da5dc2d408a0
15667cdd879a7e
hex329f828c33cc

55660671415244 has 96 divisors (see below), whose sum is σ = 115156339200000. Its totient is φ = 23036106228480.

The previous prime is 55660671415199. The next prime is 55660671415247. The reversal of 55660671415244 is 44251417606655.

It is a super-2 number, since 2×556606714152442 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55660671415244.

It is not an unprimeable number, because it can be changed into a prime (55660671415247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824581007 + ... + 824648505.

It is an arithmetic number, because the mean of its divisors is an integer number (1199545200000).

Almost surely, 255660671415244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55660671415244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57578169600000).

55660671415244 is an abundant number, since it is smaller than the sum of its proper divisors (59495667784756).

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

55660671415244 is a wasteful number, since it uses less digits than its factorization.

55660671415244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69543 (or 69541 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 55660671415244 in words is "fifty-five trillion, six hundred sixty billion, six hundred seventy-one million, four hundred fifteen thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 773 868 1229 1546 2458 3092 4916 5411 8603 10822 17206 21644 23963 34412 38099 47926 67499 76198 95852 134998 152396 167741 266693 269996 335482 472493 533386 670964 944986 950017 1066772 1889972 1900034 2092469 3800068 4184938 6650119 8369876 13300238 14647283 26600476 29294566 29450527 52176727 58589132 58901054 82956271 104353454 117802108 165912542 206153689 208706908 331825084 365237089 412307378 580693897 730474178 824614756 1161387794 1460948356 1617478537 2322775588 2571644401 3234957074 5143288802 6469914148 10286577604 11322349759 18001510807 22644699518 36003021614 45289399036 64125197483 72006043228 128250394966 256500789932 448876382381 897752764762 1795505529524 1987881121973 3975762243946 7951524487892 13915167853811 27830335707622 55660671415244