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312030220001232 = 2436500629583359
BaseRepresentation
bin100011011110010100011001…
…0011011000001111111010000
31111220210210112112021210222110
41012330220302123001333100
5311344300342310014412
63023344412033505320
7122503303506331335
oct10674506233017720
91456723475253873
10312030220001232
1190471300641557
122abb5669412240
1310515428927925
14570a4b3b6a98c
15261194e863d3c
hex11bca326c1fd0

312030220001232 has 20 divisors (see below), whose sum is σ = 806078068336640. Its totient is φ = 104010073333728.

The previous prime is 312030220001231. The next prime is 312030220001263. The reversal of 312030220001232 is 232100022030213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312030220001199 and 312030220001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030220001231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250314791632 + ... + 3250314791727.

It is an arithmetic number, because the mean of its divisors is an integer number (40303903416832).

Almost surely, 2312030220001232 is an apocalyptic number.

It is an amenable number.

312030220001232 is an abundant number, since it is smaller than the sum of its proper divisors (494047848335408).

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

312030220001232 is a wasteful number, since it uses less digits than its factorization.

312030220001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500629583370 (or 6500629583364 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312030220001232 its reverse (232100022030213), we get a palindrome (544130242031445).

The spelling of 312030220001232 in words is "three hundred twelve trillion, thirty billion, two hundred twenty million, one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 6500629583359 13001259166718 19501888750077 26002518333436 39003777500154 52005036666872 78007555000308 104010073333744 156015110000616 312030220001232