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210740600020 = 22515596758839
BaseRepresentation
bin1100010001000100011…
…1100101110011010100
3202010221212121200212011
43010101013211303110
511423044043200040
6240451330234004
721140230354456
oct3042107456324
9663855550764
10210740600020
1181413635a45
1234a14725904
1316b465926c2
14a2b274a2d6
1557363743ea
hex31111e5cd4

210740600020 has 24 divisors (see below), whose sum is σ = 442839196800. Its totient is φ = 84242156832.

The previous prime is 210740600003. The next prime is 210740600131. The reversal of 210740600020 is 20006047012.

It is a junction number, because it is equal to n+sod(n) for n = 210740599964 and 210740600000.

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 7 ways as a sum of consecutive naturals, for example, 3348240 + ... + 3410599.

It is an arithmetic number, because the mean of its divisors is an integer number (18451633200).

Almost surely, 2210740600020 is an apocalyptic number.

210740600020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210740600020 is an abundant number, since it is smaller than the sum of its proper divisors (232098596780).

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

210740600020 is a wasteful number, since it uses less digits than its factorization.

210740600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760407 (or 6760405 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 210740600020 its reverse (20006047012), we get a palindrome (230746647032).

The spelling of 210740600020 in words is "two hundred ten billion, seven hundred forty million, six hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 1559 3118 6236 7795 15590 31180 6758839 13517678 27035356 33794195 67588390 135176780 10537030001 21074060002 42148120004 52685150005 105370300010 210740600020