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1301110020 = 223357344209
BaseRepresentation
bin100110110001101…
…0101110100000100
310100200021020102000
41031203111310010
510131041010040
6333035145300
744146152450
oct11543256404
93320236360
101301110020
11608496241
123038a5230
131797362b2
14c4b2d660
157935e130
hex4d8d5d04

1301110020 has 96 divisors (see below), whose sum is σ = 4626182400. Its totient is φ = 297395712.

The previous prime is 1301109989. The next prime is 1301110033. The reversal of 1301110020 is 200111031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1301109984 and 1301110011.

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, 168325 + ... + 175884.

It is an arithmetic number, because the mean of its divisors is an integer number (48189400).

Almost surely, 21301110020 is an apocalyptic number.

1301110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301110020 is an abundant number, since it is smaller than the sum of its proper divisors (3325072380).

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

1301110020 is a wasteful number, since it uses less digits than its factorization.

1301110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344234 (or 344226 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1301110020 is about 36070.9026779203. The cubic root of 1301110020 is about 1091.7034274926.

Adding to 1301110020 its reverse (200111031), we get a palindrome (1501221051).

The spelling of 1301110020 in words is "one billion, three hundred one million, one hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 344209 688418 1032627 1376836 1721045 2065254 2409463 3097881 3442090 4130508 4818926 5163135 6195762 6884180 7228389 9293643 9637852 10326270 12047315 12391524 14456778 15489405 18587286 20652540 21685167 24094630 28913556 30978810 36141945 37174572 43370334 46468215 48189260 61957620 65055501 72283890 86740668 92936430 108425835 130111002 144567780 185872860 216851670 260222004 325277505 433703340 650555010 1301110020