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2023103100030 = 23597695224433
BaseRepresentation
bin11101011100001010010…
…101110111010001111110
321011101222112101221012120
4131130022111313101332
5231121303343200110
64145222320343410
7266110244420565
oct35341225672176
97141875357176
102023103100030
1170aaa1a59891
12288111174b66
13118a15ab106c
146dcc0d38bdc
153795b3a5870
hex1d70a57747e

2023103100030 has 32 divisors (see below), whose sum is σ = 4905503606304. Its totient is φ = 533932363776.

The previous prime is 2023103100017. The next prime is 2023103100037. The reversal of 2023103100030 is 300013013202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2023103099982 and 2023103100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023103100037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347609307 + ... + 347615126.

It is an arithmetic number, because the mean of its divisors is an integer number (153296987697).

Almost surely, 22023103100030 is an apocalyptic number.

2023103100030 is an abundant number, since it is smaller than the sum of its proper divisors (2882400506274).

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

2023103100030 is a wasteful number, since it uses less digits than its factorization.

2023103100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695224540.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2023103100030 its reverse (300013013202), we get a palindrome (2323116113232).

The spelling of 2023103100030 in words is "two trillion, twenty-three billion, one hundred three million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 695224433 1390448866 2085673299 3476122165 4171346598 6952244330 10428366495 20856732990 67436770001 134873540002 202310310003 337183850005 404620620006 674367700010 1011551550015 2023103100030