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10012512231420 = 22351094723324151
BaseRepresentation
bin1001000110110011100000…
…1111000001111111111100
31022110012001012012110120220
42101230320033001333330
52303021111112401140
633143403513341340
72052244246510146
oct221547017017774
938405035173526
1010012512231420
113210312146746
1211585aa107850
1357823946855a
14268872ba7c96
151256ad645bd0
hex91b383c1ffc

10012512231420 has 96 divisors (see below), whose sum is σ = 28298314007040. Its totient is φ = 2644939526400.

The previous prime is 10012512231391. The next prime is 10012512231433. The reversal of 10012512231420 is 2413221521001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30726345 + ... + 31050495.

It is an arithmetic number, because the mean of its divisors is an integer number (294774104240).

Almost surely, 210012512231420 is an apocalyptic number.

10012512231420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10012512231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14149157003520).

10012512231420 is an abundant number, since it is smaller than the sum of its proper divisors (18285801775620).

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

10012512231420 is a wasteful number, since it uses less digits than its factorization.

10012512231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328995 (or 328993 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 10012512231420 its reverse (2413221521001), we get a palindrome (12425733752421).

The spelling of 10012512231420 in words is "ten trillion, twelve billion, five hundred twelve million, two hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 4723 6540 9446 14169 18892 23615 28338 47230 56676 70845 94460 141690 283380 324151 514807 648302 972453 1029614 1296604 1544421 1620755 1944906 2059228 2574035 3088842 3241510 3889812 4862265 5148070 6177684 6483020 7722105 9724530 10296140 15444210 19449060 30888420 35332459 70664918 105997377 141329836 176662295 211994754 353324590 423989508 529986885 706649180 1059973770 1530965173 2119947540 3061930346 4592895519 6123860692 7654825865 9185791038 15309651730 18371582076 22964477595 30619303460 45928955190 91857910380 166875203857 333750407714 500625611571 667500815428 834376019285 1001251223142 1668752038570 2002502446284 2503128057855 3337504077140 5006256115710 10012512231420