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214660389340 = 22517093627919
BaseRepresentation
bin1100011111101011000…
…0011001100111011100
3202112002001101121221101
43013322300121213130
512004111024424330
6242340313042444
721336325126615
oct3077260314734
9675061347841
10214660389340
1183045214751
12357293b6424
131731c6abb77
14a565180c0c
1558b55534ca
hex31fac199dc

214660389340 has 24 divisors (see below), whose sum is σ = 450813908160. Its totient is φ = 85858995648.

The previous prime is 214660389271. The next prime is 214660389347. The reversal of 214660389340 is 43983066412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214660389347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27901 + ... + 655819.

It is an arithmetic number, because the mean of its divisors is an integer number (18783912840).

Almost surely, 2214660389340 is an apocalyptic number.

214660389340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214660389340 is an abundant number, since it is smaller than the sum of its proper divisors (236153518820).

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

214660389340 is a wasteful number, since it uses less digits than its factorization.

214660389340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645021 (or 645019 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 214660389340 in words is "two hundred fourteen billion, six hundred sixty million, three hundred eighty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 17093 34186 68372 85465 170930 341860 627919 1255838 2511676 3139595 6279190 12558380 10733019467 21466038934 42932077868 53665097335 107330194670 214660389340