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214514689140 = 2232510477113749
BaseRepresentation
bin1100011111001000010…
…0100110010001110100
3202111200220020021211200
43013302010212101310
512003311230023030
6242314030132500
721332605525653
oct3076204462164
9674626207750
10214514689140
1182a7aa49a64
12356a8651130
13172c845712b
14a54da9519a
1558a7872d60
hex31f2126474

214514689140 has 72 divisors (see below), whose sum is σ = 650762385000. Its totient is φ = 57197954304.

The previous prime is 214514689027. The next prime is 214514689157. The reversal of 214514689140 is 41986415412.

214514689140 is a `hidden beast` number, since 2 + 1 + 4 + 514 + 6 + 8 + 91 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15231015396 + 199283673744 = 123414^2 + 446412^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1828986 + ... + 1942734.

Almost surely, 2214514689140 is an apocalyptic number.

214514689140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214514689140 is an abundant number, since it is smaller than the sum of its proper divisors (436247695860).

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

214514689140 is a wasteful number, since it uses less digits than its factorization.

214514689140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124241 (or 124236 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 214514689140 in words is "two hundred fourteen billion, five hundred fourteen million, six hundred eighty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 10477 20954 31431 41908 52385 62862 94293 104770 113749 125724 157155 188586 209540 227498 314310 341247 377172 454996 471465 568745 628620 682494 942930 1023741 1137490 1364988 1706235 1885860 2047482 2274980 3412470 4094964 5118705 6824940 10237410 20474820 1191748273 2383496546 3575244819 4766993092 5958741365 7150489638 10725734457 11917482730 14300979276 17876224095 21451468914 23834965460 35752448190 42902937828 53628672285 71504896380 107257344570 214514689140