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32103131230320 = 2435269497260397
BaseRepresentation
bin1110100110010100101111…
…01110111011000001110000
311012200000210102010221012020
413103022113232323001300
513201434203043332240
6152135550324231440
76522242343032163
oct723122756730160
9135600712127166
1032103131230320
11a25795271a697
12372597583b580
1314bb40a124057
147cdb2aaa3ada
153aa121d580d0
hex1d3297bbb070

32103131230320 has 80 divisors (see below), whose sum is σ = 99889668750240. Its totient is φ = 8529010312192.

The previous prime is 32103131230309. The next prime is 32103131230321. The reversal of 32103131230320 is 2303213130123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×321031312303202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32103131230321) 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, 248565639 + ... + 248694758.

It is an arithmetic number, because the mean of its divisors is an integer number (1248620859378).

Almost surely, 232103131230320 is an apocalyptic number.

32103131230320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32103131230320 is an abundant number, since it is smaller than the sum of its proper divisors (67786537519920).

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

32103131230320 is a wasteful number, since it uses less digits than its factorization.

32103131230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497260682 (or 497260676 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 32103131230320 its reverse (2303213130123), we get a palindrome (34406344360443).

The spelling of 32103131230320 in words is "thirty-two trillion, one hundred three billion, one hundred thirty-one million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 269 538 807 1076 1345 1614 2152 2690 3228 4035 4304 5380 6456 8070 10760 12912 16140 21520 32280 64560 497260397 994520794 1491781191 1989041588 2486301985 2983562382 3978083176 4972603970 5967124764 7458905955 7956166352 9945207940 11934249528 14917811910 19890415880 23868499056 29835623820 39780831760 59671247640 119342495280 133763046793 267526093586 401289140379 535052187172 668815233965 802578280758 1070104374344 1337630467930 1605156561516 2006445701895 2140208748688 2675260935860 3210313123032 4012891403790 5350521871720 6420626246064 8025782807580 10701043743440 16051565615160 32103131230320