Search a number
-
+
312101102002200 = 23352774309786191
BaseRepresentation
bin100011011110110101011001…
…1010100011010000000011000
31111221001120111102021112201120
41012331222303110122000120
5311401431024103032300
63023441133353045240
7122511363153363360
oct10675526324320030
91457046442245646
10312101102002200
1190499374691a45
122b00734b6b6820
131051c013a06234
14570dab99759a0
1526136ec5e83a0
hex11bdab351a018

312101102002200 has 96 divisors (see below), whose sum is σ = 1105729618536960. Its totient is φ = 71337394742400.

The previous prime is 312101102002147. The next prime is 312101102002201. The reversal of 312101102002200 is 2200201101213.

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 312101102002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312101102002201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37154888896 + ... + 37154897295.

It is an arithmetic number, because the mean of its divisors is an integer number (11518016859760).

Almost surely, 2312101102002200 is an apocalyptic number.

312101102002200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312101102002200 is an abundant number, since it is smaller than the sum of its proper divisors (793628516534760).

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

312101102002200 is a wasteful number, since it uses less digits than its factorization.

312101102002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74309786217 (or 74309786208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 312101102002200 its reverse (2200201101213), we get a palindrome (314301303103413).

The spelling of 312101102002200 in words is "three hundred twelve trillion, one hundred one billion, one hundred two million, two thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 200 210 280 300 350 420 525 600 700 840 1050 1400 2100 4200 74309786191 148619572382 222929358573 297239144764 371548930955 445858717146 520168503337 594478289528 743097861910 891717434292 1040337006674 1114646792865 1486195723820 1560505510011 1783434868584 1857744654775 2080674013348 2229293585730 2600842516685 2972391447640 3121011020022 3715489309550 4161348026696 4458587171460 5201685033370 5573233964325 6242022040044 7430978619100 7802527550055 8917174342920 10403370066740 11146467928650 12484044080088 13004212583425 14861957238200 15605055100110 20806740133480 22292935857300 26008425166850 31210110200220 39012637750275 44585871714600 52016850333700 62420220400440 78025275500550 104033700667400 156050551001100 312101102002200