Search a number
-
+
1101030020 = 22576172341
BaseRepresentation
bin100000110100000…
…0110001010000100
32211201210010020122
41001220012022010
54223330430040
6301130521112
736166413026
oct10150061204
92751703218
101101030020
11515559172
12268896198
1314715176c
14a632a016
15669db1b5
hex41a06284

1101030020 has 24 divisors (see below), whose sum is σ = 2315233368. Its totient is φ = 439827200.

The previous prime is 1101030017. The next prime is 1101030023. The reversal of 1101030020 is 200301011.

It is an interprime number because it is at equal distance from previous prime (1101030017) and next prime (1101030023).

It can be written as a sum of positive squares in 4 ways, for example, as 33570436 + 1067459584 = 5794^2 + 32672^2 .

It is not an unprimeable number, because it can be changed into a prime (1101030023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20951 + ... + 51390.

It is an arithmetic number, because the mean of its divisors is an integer number (96468057).

Almost surely, 21101030020 is an apocalyptic number.

1101030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101030020 is an abundant number, since it is smaller than the sum of its proper divisors (1214203348).

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

1101030020 is a wasteful number, since it uses less digits than its factorization.

1101030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73111 (or 73109 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1101030020 is about 33181.7724059460. The cubic root of 1101030020 is about 1032.6022177175.

Adding to 1101030020 its reverse (200301011), we get a palindrome (1301331031).

The spelling of 1101030020 in words is "one billion, one hundred one million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 761 1522 3044 3805 7610 15220 72341 144682 289364 361705 723410 1446820 55051501 110103002 220206004 275257505 550515010 1101030020