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1020102300 = 2232527161921
BaseRepresentation
bin111100110011011…
…000011010011100
32122002111120021200
4330303120122130
54042121233200
6245120155500
734164504120
oct7463303234
92562446250
101020102300
11483903a58
12245768b90
13133458039
14996a1580
155e852800
hex3ccd869c

1020102300 has 108 divisors (see below), whose sum is σ = 3654255696. Its totient is φ = 233164800.

The previous prime is 1020102283. The next prime is 1020102301. The reversal of 1020102300 is 32010201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020102301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74661 + ... + 87260.

Almost surely, 21020102300 is an apocalyptic number.

1020102300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020102300 is an abundant number, since it is smaller than the sum of its proper divisors (2634153396).

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

1020102300 is a wasteful number, since it uses less digits than its factorization.

1020102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161948 (or 161938 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1020102300 is about 31939.0403738121. The cubic root of 1020102300 is about 1006.6563612139.

Adding to 1020102300 its reverse (32010201), we get a palindrome (1052112501).

The spelling of 1020102300 in words is "one billion, twenty million, one hundred two thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 50 60 63 70 75 84 90 100 105 126 140 150 175 180 210 225 252 300 315 350 420 450 525 630 700 900 1050 1260 1575 2100 3150 6300 161921 323842 485763 647684 809605 971526 1133447 1457289 1619210 1943052 2266894 2428815 2914578 3238420 3400341 4048025 4533788 4857630 5667235 5829156 6800682 7286445 8096050 9715260 10201023 11334470 12144075 13601364 14572890 16192100 17001705 20402046 22668940 24288150 28336175 29145780 34003410 36432225 40804092 48576300 51005115 56672350 68006820 72864450 85008525 102010230 113344700 145728900 170017050 204020460 255025575 340034100 510051150 1020102300