Search a number
-
+
33231000210 = 23510310754369
BaseRepresentation
bin11110111100101110…
…001101001010010010
310011202220222201102120
4132330232031022102
51021024114001320
623133251355110
72254331561352
oct367456151222
9104686881376
1033231000210
1113103040341
126534bb2a96
133197898c45
1418735c2b62
15ce75ec440
hex7bcb8d292

33231000210 has 32 divisors (see below), whose sum is σ = 80528722560. Its totient is φ = 8775564288.

The previous prime is 33231000191. The next prime is 33231000233. The reversal of 33231000210 is 1200013233.

It is a super-2 number, since 2×332310002102 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 33231000210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374095 + ... + 5380274.

It is an arithmetic number, because the mean of its divisors is an integer number (2516522580).

Almost surely, 233231000210 is an apocalyptic number.

33231000210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33231000210 is an abundant number, since it is smaller than the sum of its proper divisors (47297722350).

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

33231000210 is a wasteful number, since it uses less digits than its factorization.

33231000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754482.

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

Adding to 33231000210 its reverse (1200013233), we get a palindrome (34431013443).

The spelling of 33231000210 in words is "thirty-three billion, two hundred thirty-one million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 10754369 21508738 32263107 53771845 64526214 107543690 161315535 322631070 1107700007 2215400014 3323100021 5538500035 6646200042 11077000070 16615500105 33231000210