Search a number
-
+
103030012020 = 223513235743033
BaseRepresentation
bin101111111110100010…
…0010011100001110100
3100211221100010220100010
41133331010103201310
53142001140341040
6115155322420220
710305115436535
oct1377504234164
9324840126303
10103030012020
113a770834a71
1217b74661670
13993c4a1570
144db563a68c
152a3025ae80
hex17fd113874

103030012020 has 96 divisors (see below), whose sum is σ = 324182783232. Its totient is φ = 24258567168.

The previous prime is 103030011919. The next prime is 103030012067. The reversal of 103030012020 is 20210030301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103030011987 and 103030012005.

It is a congruent number.

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, 2853577 + ... + 2889456.

It is an arithmetic number, because the mean of its divisors is an integer number (3376903992).

Almost surely, 2103030012020 is an apocalyptic number.

103030012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103030012020 is an abundant number, since it is smaller than the sum of its proper divisors (221152771212).

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

103030012020 is a wasteful number, since it uses less digits than its factorization.

103030012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743081 (or 5743079 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 103030012020 its reverse (20210030301), we get a palindrome (123240042321).

The spelling of 103030012020 in words is "one hundred three billion, thirty million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 23 26 30 39 46 52 60 65 69 78 92 115 130 138 156 195 230 260 276 299 345 390 460 598 690 780 897 1196 1380 1495 1794 2990 3588 4485 5980 8970 17940 5743033 11486066 17229099 22972132 28715165 34458198 57430330 68916396 74659429 86145495 114860660 132089759 149318858 172290990 223978287 264179518 298637716 344581980 373297145 396269277 447956574 528359036 660448795 746594290 792538554 895913148 1119891435 1320897590 1493188580 1585077108 1717166867 1981346385 2239782870 2641795180 3434333734 3962692770 4479565740 5151500601 6868667468 7925385540 8585834335 10303001202 17171668670 20606002404 25757503005 34343337340 51515006010 103030012020