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214234421240 = 23573891966897
BaseRepresentation
bin1100011110000101011…
…1011101011111111000
3202110222100212012120002
43013201113131133320
512002223002434430
6242230135052132
721322633351250
oct3074127353770
9673870765502
10214234421240
11829468225a4
123562a811048
1317282377838
14a52477a960
15588ce60845
hex31e15dd7f8

214234421240 has 64 divisors (see below), whose sum is σ = 552304958400. Its totient is φ = 73262942208.

The previous prime is 214234421201. The next prime is 214234421263. The reversal of 214234421240 is 42124432412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874529 + ... + 1092368.

It is an arithmetic number, because the mean of its divisors is an integer number (8629764975).

Almost surely, 2214234421240 is an apocalyptic number.

214234421240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214234421240 is an abundant number, since it is smaller than the sum of its proper divisors (338070537160).

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

214234421240 is a wasteful number, since it uses less digits than its factorization.

214234421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967304 (or 1967300 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 214234421240 its reverse (42124432412), we get a palindrome (256358853652).

The spelling of 214234421240 in words is "two hundred fourteen billion, two hundred thirty-four million, four hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 389 778 1556 1945 2723 3112 3890 5446 7780 10892 13615 15560 21784 27230 54460 108920 1966897 3933794 7867588 9834485 13768279 15735176 19668970 27536558 39337940 55073116 68841395 78675880 110146232 137682790 275365580 550731160 765122933 1530245866 3060491732 3825614665 5355860531 6120983464 7651229330 10711721062 15302458660 21423442124 26779302655 30604917320 42846884248 53558605310 107117210620 214234421240