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2321001312 = 253729119099
BaseRepresentation
bin1000101001010111…
…1010101101100000
312222202101002020120
42022111322231200
514223134020222
61022151040240
7111342120450
oct21225725540
95882332216
102321001312
11a91165703
12549370080
132acb19276
14180377d60
15d8b6e15c
hex8a57ab60

2321001312 has 96 divisors (see below), whose sum is σ = 7203168000. Its totient is φ = 640270848.

The previous prime is 2321001301. The next prime is 2321001317. The reversal of 2321001312 is 2131001232.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2321001291 and 2321001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321001317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40062 + ... + 79037.

It is an arithmetic number, because the mean of its divisors is an integer number (75033000).

Almost surely, 22321001312 is an apocalyptic number.

It is an amenable number.

2321001312 is an abundant number, since it is smaller than the sum of its proper divisors (4882166688).

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

2321001312 is a wasteful number, since it uses less digits than its factorization.

2321001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119148 (or 119140 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2321001312 is about 48176.7714983061. The cubic root of 2321001312 is about 1324.0116159537.

Adding to 2321001312 its reverse (2131001232), we get a palindrome (4452002544).

The spelling of 2321001312 in words is "two billion, three hundred twenty-one million, one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 84 87 96 112 116 168 174 203 224 232 336 348 406 464 609 672 696 812 928 1218 1392 1624 2436 2784 3248 4872 6496 9744 19488 119099 238198 357297 476396 714594 833693 952792 1429188 1667386 1905584 2501079 2858376 3334772 3453871 3811168 5002158 5716752 6669544 6907742 10004316 10361613 11433504 13339088 13815484 20008632 20723226 24177097 26678176 27630968 40017264 41446452 48354194 55261936 72531291 80034528 82892904 96708388 110523872 145062582 165785808 193416776 290125164 331571616 386833552 580250328 773667104 1160500656 2321001312