Search a number
-
+
204602158220 = 225313715756809
BaseRepresentation
bin1011111010001100111…
…1010010110010001100
3201120010002001112201212
42332203033102302030
511323011123030340
6233554250153552
720532142435625
oct2764317226214
9646102045655
10204602158220
1179853647849
12337a0a228b8
13163a8913915
149c8d3c0a4c
1554c74e1a65
hex2fa33d2c8c

204602158220 has 96 divisors (see below), whose sum is σ = 458421250560. Its totient is φ = 76568094720.

The previous prime is 204602158219. The next prime is 204602158231. The reversal of 204602158220 is 22851206402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3573176 + ... + 3629984.

It is an arithmetic number, because the mean of its divisors is an integer number (4775221360).

Almost surely, 2204602158220 is an apocalyptic number.

204602158220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204602158220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229210625280).

204602158220 is an abundant number, since it is smaller than the sum of its proper divisors (253819092340).

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

204602158220 is a wasteful number, since it uses less digits than its factorization.

204602158220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57043 (or 57041 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 204602158220 in words is "two hundred four billion, six hundred two million, one hundred fifty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 148 155 157 185 310 314 370 620 628 740 785 1147 1570 2294 3140 4588 4867 5735 5809 9734 11470 11618 19468 22940 23236 24335 29045 48670 56809 58090 97340 113618 116180 180079 227236 284045 360158 568090 720316 900395 1136180 1761079 1800790 2101933 3522158 3601580 4203866 7044316 8407732 8805395 8919013 10509665 17610790 17838026 21019330 35221580 35676052 42038660 44595065 65159923 89190130 130319846 178380260 260639692 276489403 325799615 330003481 552978806 651599230 660006962 1105957612 1303198460 1320013924 1382447015 1650017405 2764894030 3300034810 5529788060 6600069620 10230107911 20460215822 40920431644 51150539555 102301079110 204602158220