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312213342201100 = 225217166191818769
BaseRepresentation
bin100011011111101001101010…
…1010110110010010100001100
31111221110022012122000102021021
41012333103111112302110030
5311410300411100413400
63024004455050043524
7122522445446340064
oct10677232526622414
91457408178012237
10312213342201100
1190531a313186aa
122b0250547195a4
131052979036aa02
1457152c649c3a4
1526165bb1ed71a
hex11bf4d55b250c

312213342201100 has 36 divisors (see below), whose sum is σ = 677503719755800. Its totient is φ = 124885195464960.

The previous prime is 312213342201043. The next prime is 312213342201113. The reversal of 312213342201100 is 1102243312213.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170752516 + ... + 172571284.

Almost surely, 2312213342201100 is an apocalyptic number.

It is an amenable number.

312213342201100 is an abundant number, since it is smaller than the sum of its proper divisors (365290377554700).

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

312213342201100 is a wasteful number, since it uses less digits than its factorization.

312213342201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535402 (or 3535395 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312213342201100 its reverse (1102243312213), we get a palindrome (313315585513313).

The spelling of 312213342201100 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred forty-two million, two hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1716619 1818769 3433238 3637538 6866476 7275076 8583095 9093845 17166190 18187690 34332380 36375380 42915475 45469225 85830950 90938450 171661900 181876900 3122133422011 6244266844022 12488533688044 15610667110055 31221334220110 62442668440220 78053335550275 156106671100550 312213342201100