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2105552005560 = 2332510157908471
BaseRepresentation
bin11110101000111100101…
…011011110100110111000
321110021210112120022001100
4132220330223132212320
5233444132303134220
64251135514451400
7305056353514503
oct36507453364670
97407715508040
102105552005560
11741a61240933
122a00a1133b60
131237253959b3
1473ca302413a
1539b8485ad90
hex1ea3cade9b8

2105552005560 has 96 divisors (see below), whose sum is σ = 6910797048480. Its totient is φ = 555921312000.

The previous prime is 2105552005553. The next prime is 2105552005561. The reversal of 2105552005560 is 655002555012.

2105552005560 is a `hidden beast` number, since 2 + 1 + 0 + 55 + 52 + 0 + 0 + 556 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105552005561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28917876 + ... + 28990595.

It is an arithmetic number, because the mean of its divisors is an integer number (71987469255).

Almost surely, 22105552005560 is an apocalyptic number.

2105552005560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105552005560 is an abundant number, since it is smaller than the sum of its proper divisors (4805245042920).

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

2105552005560 is a wasteful number, since it uses less digits than its factorization.

2105552005560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57908589 (or 57908582 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 2105552005560 in words is "two trillion, one hundred five billion, five hundred fifty-two million, five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 101 120 180 202 303 360 404 505 606 808 909 1010 1212 1515 1818 2020 2424 3030 3636 4040 4545 6060 7272 9090 12120 18180 36360 57908471 115816942 173725413 231633884 289542355 347450826 463267768 521176239 579084710 694901652 868627065 1042352478 1158169420 1389803304 1737254130 2084704956 2316338840 2605881195 3474508260 4169409912 5211762390 5848755571 6949016520 10423524780 11697511142 17546266713 20847049560 23395022284 29243777855 35092533426 46790044568 52638800139 58487555710 70185066852 87731333565 105277600278 116975111420 140370133704 175462667130 210555200556 233950222840 263194000695 350925334260 421110401112 526388001390 701850668520 1052776002780 2105552005560