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214540317908 = 227241111728463
BaseRepresentation
bin1100011111001110011…
…0010111010011010100
3202111202200110100220022
43013303212113103110
512003334310133113
6242320343324312
721333336420260
oct3076346272324
9674680410808
10214540317908
1182a93464264
12356b5150698
131730085b597
14a5532470a0
1558a9c36908
hex31f39974d4

214540317908 has 48 divisors (see below), whose sum is σ = 431261935104. Its totient is φ = 91479144960.

The previous prime is 214540317889. The next prime is 214540317947. The reversal of 214540317908 is 809713045412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7523285 + ... + 7551747.

It is an arithmetic number, because the mean of its divisors is an integer number (8984623648).

Almost surely, 2214540317908 is an apocalyptic number.

214540317908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214540317908 is an abundant number, since it is smaller than the sum of its proper divisors (216721617196).

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

214540317908 is a wasteful number, since it uses less digits than its factorization.

214540317908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29832 (or 29830 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 214540317908 in words is "two hundred fourteen billion, five hundred forty million, three hundred seventeen thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 241 482 964 1117 1687 2234 3374 4468 6748 7819 15638 28463 31276 56926 113852 199241 269197 398482 538394 796964 1076788 1884379 3768758 6859583 7537516 13719166 27438332 31793171 48017081 63586342 96034162 127172684 192068324 222552197 445104394 890208788 7662154211 15324308422 30648616844 53635079477 107270158954 214540317908