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312204252055 = 531411572111483
BaseRepresentation
bin1001000101100001101…
…00101101001110010111
31002211212001101021020111
410202300310231032113
520103343242031210
6355231420343451
731361466233203
oct4426064551627
91084761337214
10312204252055
11110450185523
12506106a4b87
13235963a8c27
1411179d2bb03
1581c3d2888a
hex48b0d2d397

312204252055 has 64 divisors (see below), whose sum is σ = 400845828096. Its totient is φ = 233041536000.

The previous prime is 312204252049. The next prime is 312204252103. The reversal of 312204252055 is 550252402213.

It is not a de Polignac number, because 312204252055 - 29 = 312204251543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 210521344 + ... + 210522826.

It is an arithmetic number, because the mean of its divisors is an integer number (6263216064).

Almost surely, 2312204252055 is an apocalyptic number.

312204252055 is a deficient number, since it is larger than the sum of its proper divisors (88641576041).

312204252055 is a wasteful number, since it uses less digits than its factorization.

312204252055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 312204252055 its reverse (550252402213), we get a palindrome (862456654268).

The spelling of 312204252055 in words is "three hundred twelve billion, two hundred four million, two hundred fifty-two thousand, fifty-five".

Divisors: 1 5 31 41 155 157 205 211 785 1055 1271 1483 4867 6355 6437 6541 7415 8651 24335 32185 32705 33127 43255 45973 60803 165635 199547 229865 232831 268181 304015 312913 997735 1026937 1164155 1340905 1358207 1564565 1884893 5134685 6791035 7217761 9424465 9546071 9700303 12829433 36088805 42104417 47730355 48501515 49127341 64147165 210522085 245636705 295928201 397712423 1479641005 1522947571 1988562115 2014220981 7614737855 10071104905 62440850411 312204252055