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55005550005270 = 23529108535825557
BaseRepresentation
bin11001000000110111110100…
…10001001100110000010110
321012202110221100120212111210
430200123322101030300112
524202202331300132040
6312553111213442250
714405006543433534
oct1440337221146026
9235673840525453
1055005550005270
11165877a4a93767
12620453b4a0386
132490002588817
14d823d6103154
15655c4972c480
hex3206fa44cc16

55005550005270 has 64 divisors (see below), whose sum is σ = 136578110109120. Its totient is φ = 14161041151488.

The previous prime is 55005550005257. The next prime is 55005550005271. The reversal of 55005550005270 is 7250005550055.

It is a happy number.

It is a super-2 number, since 2×550055500052702 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005550005271) 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, 6529332 + ... + 12354888.

It is an arithmetic number, because the mean of its divisors is an integer number (2134032970455).

Almost surely, 255005550005270 is an apocalyptic number.

55005550005270 is an abundant number, since it is smaller than the sum of its proper divisors (81572560103850).

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

55005550005270 is a wasteful number, since it uses less digits than its factorization.

55005550005270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836449.

The product of its (nonzero) digits is 218750, while the sum is 39.

The spelling of 55005550005270 in words is "fifty-five trillion, five billion, five hundred fifty million, five thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 10853 21706 32559 54265 65118 108530 162795 314737 325590 629474 944211 1573685 1888422 3147370 4721055 5825557 9442110 11651114 17476671 29127785 34953342 58255570 87383355 168941153 174766710 337882306 506823459 844705765 1013646918 1689411530 2534117295 5068234590 63224770121 126449540242 189674310363 316123850605 379348620726 632247701210 948371551815 1833518333509 1896743103630 3667036667018 5500555000527 9167591667545 11001110001054 18335183335090 27502775002635 55005550005270