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312100132000 = 255378025033
BaseRepresentation
bin1001000101010101001…
…11100001010010100000
31002211120210110102101011
410202222213201102200
520103140113211000
6355213220550304
731356063231166
oct4425247412240
91084523412334
10312100132000
111103a742a598
12505a1852394
132357a952027
141116a187236
1581b9b0d2ba
hex48aa9e14a0

312100132000 has 48 divisors (see below), whose sum is σ = 766830034152. Its totient is φ = 124840051200.

The previous prime is 312100131979. The next prime is 312100132009. The reversal of 312100132000 is 231001213.

It can be written as a sum of positive squares in 4 ways, for example, as 97816315536 + 214283816464 = 312756^2 + 462908^2 .

It is not an unprimeable number, because it can be changed into a prime (312100132009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39008517 + ... + 39016516.

Almost surely, 2312100132000 is an apocalyptic number.

It is an amenable number.

312100132000 is an abundant number, since it is smaller than the sum of its proper divisors (454729902152).

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

312100132000 is an equidigital number, since it uses as much as digits as its factorization.

312100132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78025058 (or 78025040 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 312100132000 its reverse (231001213), we get a palindrome (312331133213).

The spelling of 312100132000 in words is "three hundred twelve billion, one hundred million, one hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 78025033 156050066 312100132 390125165 624200264 780250330 1248400528 1560500660 1950625825 2496801056 3121001320 3901251650 6242002640 7802503300 9753129125 12484005280 15605006600 19506258250 31210013200 39012516500 62420026400 78025033000 156050066000 312100132000