Search a number
-
+
55030551012 = 223317190115767
BaseRepresentation
bin110011010000000100…
…111001000111100100
312021001011200122022000
4303100010321013210
51400200310113022
641140343405300
73655464652143
oct632004710744
9167034618260
1055030551012
112137a347528
12a7b9753830
135260037328
1429408a575a
1516713336ac
hexcd01391e4

55030551012 has 96 divisors (see below), whose sum is σ = 151153309440. Its totient is φ = 17254310400.

The previous prime is 55030550959. The next prime is 55030551031. The reversal of 55030551012 is 21015503055.

55030551012 is a `hidden beast` number, since 5 + 503 + 0 + 55 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3482353 + ... + 3498119.

It is an arithmetic number, because the mean of its divisors is an integer number (1574513640).

Almost surely, 255030551012 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 55030551012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75576654720).

55030551012 is an abundant number, since it is smaller than the sum of its proper divisors (96122758428).

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

55030551012 is a wasteful number, since it uses less digits than its factorization.

55030551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17698 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 55030551012 in words is "fifty-five billion, thirty million, five hundred fifty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 1901 3802 5703 7604 11406 15767 17109 22812 31534 32317 34218 47301 51327 63068 64634 68436 94602 96951 102654 129268 141903 189204 193902 205308 268039 283806 290853 387804 425709 536078 567612 581706 804117 851418 872559 1072156 1163412 1608234 1702836 1745118 2412351 3216468 3490236 4824702 7237053 9649404 14474106 28948212 29973067 59946134 89919201 119892268 179838402 269757603 359676804 509542139 539515206 809272809 1019084278 1079030412 1528626417 1618545618 2038168556 3057252834 3237091236 4585879251 6114505668 9171758502 13757637753 18343517004 27515275506 55030551012