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3121010132300 = 2252475273125933
BaseRepresentation
bin101101011010101010101…
…100110100010101001100
3102001100212120011220221222
4231122222230310111030
5402113312043213200
610345434450342512
7441325353260444
oct55325254642514
912040776156858
103121010132300
11aa3681945185
12424a57b8aa38
13198405091298
14ab0b4467124
15562b822cd85
hex2d6aab3454c

3121010132300 has 72 divisors (see below), whose sum is σ = 6918056341056. Its totient is φ = 1221600847360.

The previous prime is 3121010132297. The next prime is 3121010132341. The reversal of 3121010132300 is 32310101213.

3121010132300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24720134 + ... + 24846066.

It is an arithmetic number, because the mean of its divisors is an integer number (96084115848).

Almost surely, 23121010132300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121010132300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459028170528).

3121010132300 is an abundant number, since it is smaller than the sum of its proper divisors (3797046208756).

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

3121010132300 is a wasteful number, since it uses less digits than its factorization.

3121010132300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131267 (or 131260 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 3121010132300 its reverse (32310101213), we get a palindrome (3153320233513).

The spelling of 3121010132300 in words is "three trillion, one hundred twenty-one billion, ten million, one hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 940 1175 2350 4700 5273 10546 21092 26365 52730 105460 125933 131825 247831 251866 263650 495662 503732 527300 629665 991324 1239155 1259330 2478310 2518660 3148325 4956620 5918851 6195775 6296650 11837702 12391550 12593300 23675404 24783100 29594255 59188510 118377020 147971275 295942550 591885100 664044709 1328089418 2656178836 3320223545 6640447090 13280894180 16601117725 31210101323 33202235450 62420202646 66404470900 124840405292 156050506615 312101013230 624202026460 780252533075 1560505066150 3121010132300