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312000324100 = 22523120003241
BaseRepresentation
bin1001000101001001010…
…10110010001000000100
31002211022211122122200021
410202210222302020010
520102434040332400
6355155253424524
731353441666103
oct4424452621004
91084284578607
10312000324100
1111035605a423
125057433b144
1323563077aba
141115ac0603a
1581b0e9571a
hex48a4ab2204

312000324100 has 18 divisors (see below), whose sum is σ = 677040703514. Its totient is φ = 124800129600.

The previous prime is 312000324007. The next prime is 312000324101. The reversal of 312000324100 is 1423000213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7422167104 + 304578156996 = 86152^2 + 551886^2 .

It is not an unprimeable number, because it can be changed into a prime (312000324101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560001521 + ... + 1560001720.

Almost surely, 2312000324100 is an apocalyptic number.

It is an amenable number.

312000324100 is an abundant number, since it is smaller than the sum of its proper divisors (365040379414).

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

312000324100 is a wasteful number, since it uses less digits than its factorization.

312000324100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120003255 (or 3120003248 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312000324100 its reverse (1423000213), we get a palindrome (313423324313).

The spelling of 312000324100 in words is "three hundred twelve billion, three hundred twenty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3120003241 6240006482 12480012964 15600016205 31200032410 62400064820 78000081025 156000162050 312000324100