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30231101210 = 25191103144253
BaseRepresentation
bin11100001001111010…
…011111111100011010
32220000212011001122012
4130021322133330122
5443403130214320
621515445225522
72120104056212
oct341172377432
986025131565
1030231101210
1111903739872
125a384022a2
132b0a21b68b
14166b005242
15bbe0784c5
hex709e9ff1a

30231101210 has 32 divisors (see below), whose sum is σ = 57332309760. Its totient is φ = 11445530688.

The previous prime is 30231101183. The next prime is 30231101213. The reversal of 30231101210 is 1210113203.

It is not an unprimeable number, because it can be changed into a prime (30231101213) 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, 137444 + ... + 281696.

It is an arithmetic number, because the mean of its divisors is an integer number (1791634680).

Almost surely, 230231101210 is an apocalyptic number.

30231101210 is a deficient number, since it is larger than the sum of its proper divisors (27101208550).

30231101210 is a wasteful number, since it uses less digits than its factorization.

30231101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145382.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30231101210 its reverse (1210113203), we get a palindrome (31441214413).

The spelling of 30231101210 in words is "thirty billion, two hundred thirty-one million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 1103 2206 5515 11030 20957 41914 104785 144253 209570 288506 721265 1442530 2740807 5481614 13704035 27408070 159111059 318222118 795555295 1591110590 3023110121 6046220242 15115550605 30231101210