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213003031200030 = 232517139217667451
BaseRepresentation
bin110000011011100110100010…
…000000101100000100011110
31000221011220001110212111120200
4300123212202000230010132
5210404320201441400110
62033004124111124330
762602650452006121
oct6033464200540436
91027156043774520
10213003031200030
1161962095153535
121ba814b82136a6
1391b113ac33a86
143a8558a4543b8
151995a6e8ce6c0
hexc1b9a202c11e

213003031200030 has 48 divisors (see below), whose sum is σ = 586384815307824. Its totient is φ = 53459584300800.

The previous prime is 213003031199963. The next prime is 213003031200049. The reversal of 213003031200030 is 30002130300312.

213003031200030 is a `hidden beast` number, since 2 + 130 + 0 + 303 + 1 + 200 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213003031199976 and 213003031200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69608832196 + ... + 69608835255.

It is an arithmetic number, because the mean of its divisors is an integer number (12216350318913).

Almost surely, 2213003031200030 is an apocalyptic number.

213003031200030 is an abundant number, since it is smaller than the sum of its proper divisors (373381784107794).

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

213003031200030 is a wasteful number, since it uses less digits than its factorization.

213003031200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139217667481 (or 139217667478 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213003031200030 its reverse (30002130300312), we get a palindrome (243005161500342).

The spelling of 213003031200030 in words is "two hundred thirteen trillion, three billion, thirty-one million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 765 1530 139217667451 278435334902 417653002353 696088337255 835306004706 1252959007059 1392176674510 2088265011765 2366700346667 2505918014118 4176530023530 4733400693334 6264795035295 7100101040001 11833501733335 12529590070590 14200202080002 21300303120003 23667003466670 35500505200005 42600606240006 71001010400010 106501515600015 213003031200030