Search a number
-
+
312111014132000 = 255381619561053
BaseRepresentation
bin100011011110111010000001…
…0001000001011100100100000
31111221002112002012200220121002
41012331310002020023210200
5311402111324104211000
63023445453120251132
7122512163613163106
oct10675640210134440
91457075065626532
10312111014132000
11904a25a083a856
122b009257170aa8
131051cc33438cb5
14571037a183c76
152613acc8ea8d5
hex11bdd0220b920

312111014132000 has 96 divisors (see below), whose sum is σ = 766950807967344. Its totient is φ = 124829094912000.

The previous prime is 312111014131981. The next prime is 312111014132009. The reversal of 312111014132000 is 231410111213.

It can be written as a sum of positive squares in 8 ways, for example, as 20507167338256 + 291603846793744 = 4528484^2 + 17076412^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (312111014132009) by changing a digit.

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, 27863474 + ... + 37424526.

Almost surely, 2312111014132000 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 312111014132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383475403983672).

312111014132000 is an abundant number, since it is smaller than the sum of its proper divisors (454839793835344).

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

312111014132000 is an equidigital number, since it uses as much as digits as its factorization.

312111014132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569239 (or 9569221 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 312111014132000 its reverse (231410111213), we get a palindrome (312342424243213).

The spelling of 312111014132000 in words is "three hundred twelve trillion, one hundred eleven billion, fourteen 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 8161 16322 32644 40805 65288 81610 130576 163220 204025 261152 326440 408050 652880 816100 1020125 1305760 1632200 2040250 3264400 4080500 6528800 8161000 9561053 16322000 19122106 32644000 38244212 47805265 76488424 95610530 152976848 191221060 239026325 305953696 382442120 478052650 764884240 956105300 1195131625 1529768480 1912210600 2390263250 3824421200 4780526500 7648842400 9561053000 19122106000 38244212000 78027753533 156055507066 312111014132 390138767665 624222028264 780277535330 1248444056528 1560555070660 1950693838325 2496888113056 3121110141320 3901387676650 6242220282640 7802775353300 9753469191625 12484440565280 15605550706600 19506938383250 31211101413200 39013876766500 62422202826400 78027753533000 156055507066000 312111014132000