Search a number
-
+
2031122123300 = 225259997334519
BaseRepresentation
bin11101100011101000010…
…100000000101000100100
321012011200101121112010102
4131203220110000220210
5231234214230421200
64153030140043232
7266513046121304
oct35435024005044
97164611545112
102031122123300
1171343753a746
1228978a833518
131196c3254b4a
1470441d55604
1537c7a3ac6d5
hex1d8e8500a24

2031122123300 has 72 divisors (see below), whose sum is σ = 4482818289600. Its totient is φ = 798575310720.

The previous prime is 2031122123293. The next prime is 2031122123311. The reversal of 2031122123300 is 33212211302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58823441 + ... + 58857959.

Almost surely, 22031122123300 is an apocalyptic number.

2031122123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031122123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241409144800).

2031122123300 is an abundant number, since it is smaller than the sum of its proper divisors (2451696166300).

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

2031122123300 is a wasteful number, since it uses less digits than its factorization.

2031122123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44565 (or 44558 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2031122123300 its reverse (33212211302), we get a palindrome (2064334334602).

The spelling of 2031122123300 in words is "two trillion, thirty-one billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 236 295 590 1180 1475 2950 5900 9973 19946 34519 39892 49865 69038 99730 138076 172595 199460 249325 345190 498650 588407 690380 862975 997300 1176814 1725950 2036621 2353628 2942035 3451900 4073242 5884070 8146484 10183105 11768140 14710175 20366210 29420350 40732420 50915525 58840700 101831050 203662100 344257987 688515974 1377031948 1721289935 3442579870 6885159740 8606449675 17212899350 20311221233 34425798700 40622442466 81244884932 101556106165 203112212330 406224424660 507780530825 1015561061650 2031122123300