Search a number
-
+
312402332413020 = 22355206705540217
BaseRepresentation
bin100011100001000001101011…
…0000011001110110001011100
31111222010101000200102220210210
41013002003112003032301130
5311421344434044204040
63024231352242132420
7122542216011543423
oct10702032603166134
91458111020386723
10312402332413020
11905a50a3376093
122b0557b9051110
131054154b716285
1457204d42822ba
15261b47cced480
hex11c20d60cec5c

312402332413020 has 24 divisors (see below), whose sum is σ = 874726530756624. Its totient is φ = 83307288643456.

The previous prime is 312402332412943. The next prime is 312402332413027. The reversal of 312402332413020 is 20314233204213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312402332413027) 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, 2603352770049 + ... + 2603352770168.

It is an arithmetic number, because the mean of its divisors is an integer number (36446938781526).

Almost surely, 2312402332413020 is an apocalyptic number.

312402332413020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312402332413020 is an abundant number, since it is smaller than the sum of its proper divisors (562324198343604).

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

312402332413020 is a wasteful number, since it uses less digits than its factorization.

312402332413020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206705540229 (or 5206705540227 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312402332413020 its reverse (20314233204213), we get a palindrome (332716565617233).

The spelling of 312402332413020 in words is "three hundred twelve trillion, four hundred two billion, three hundred thirty-two million, four hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5206705540217 10413411080434 15620116620651 20826822160868 26033527701085 31240233241302 52067055402170 62480466482604 78100583103255 104134110804340 156201166206510 312402332413020