Search a number
-
+
1230030661501 = 10152133596959
BaseRepresentation
bin10001111001100011100…
…010100110011101111101
311100120220221200210000201
4101321203202212131331
5130123100322132001
62341022425523501
7154603210054015
oct21714342463575
94316827623021
101230030661501
11434720272604
1217a47a943591
138bcb7126bb5
1443768a74c45
1521ee136e501
hex11e638a677d

1230030661501 has 16 divisors (see below), whose sum is σ = 1245142886400. Its totient is φ = 1214978128000.

The previous prime is 1230030661499. The next prime is 1230030661507. The reversal of 1230030661501 is 1051660300321.

It is a cyclic number.

It is not a de Polignac number, because 1230030661501 - 21 = 1230030661499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230030661501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230030661507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176750460 + ... + 176757418.

It is an arithmetic number, because the mean of its divisors is an integer number (77821430400).

Almost surely, 21230030661501 is an apocalyptic number.

It is an amenable number.

1230030661501 is a deficient number, since it is larger than the sum of its proper divisors (15112224899).

1230030661501 is a wasteful number, since it uses less digits than its factorization.

1230030661501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 1230030661501 its reverse (1051660300321), we get a palindrome (2281690961822).

The spelling of 1230030661501 in words is "one trillion, two hundred thirty billion, thirty million, six hundred sixty-one thousand, five hundred one".

Divisors: 1 101 521 3359 6959 52621 339259 702859 1750039 3625639 23375281 176753939 366189539 2360903381 12178521401 1230030661501