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201012431312 = 247111950916871
BaseRepresentation
bin1011101100110101000…
…1100100100111010000
3201012211220100112011102
42323031101210213100
511243133140300222
6232202134003532
720344163321540
oct2731521444720
9635756315142
10201012431312
11782813058a0
1232b5a7a65a8
1315c55cbc764
149a2c747320
1553672add92
hex2ecd4649d0

201012431312 has 160 divisors (see below), whose sum is σ = 512152934400. Its totient is φ = 74044454400.

The previous prime is 201012431273. The next prime is 201012431329. The reversal of 201012431312 is 213134210102.

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, 11906237 + ... + 11923107.

It is an arithmetic number, because the mean of its divisors is an integer number (3200955840).

Almost surely, 2201012431312 is an apocalyptic number.

201012431312 is a gapful number since it is divisible by the number (22) 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 201012431312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256076467200).

201012431312 is an abundant number, since it is smaller than the sum of its proper divisors (311140503088).

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

201012431312 is a wasteful number, since it uses less digits than its factorization.

201012431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17425 (or 17419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201012431312 its reverse (213134210102), we get a palindrome (414146641414).

The spelling of 201012431312 in words is "two hundred one billion, twelve million, four hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 19 22 28 38 44 56 76 77 88 112 133 152 154 176 209 266 304 308 418 509 532 616 836 1018 1064 1232 1463 1672 2036 2128 2926 3344 3563 4072 5599 5852 7126 8144 9671 11198 11704 14252 16871 19342 22396 23408 28504 33742 38684 39193 44792 57008 67484 67697 77368 78386 89584 106381 118097 134968 135394 154736 156772 185581 212762 236194 269936 270788 313544 320549 371162 425524 472388 541576 627088 641098 742324 744667 851048 944776 1083152 1282196 1299067 1484648 1489334 1702096 1889552 2243843 2564392 2598134 2969296 2978668 3526039 4487686 5128784 5196268 5957336 7052078 8587339 8975372 10392536 11914672 14104156 17174678 17950744 20785072 24682273 28208312 34349356 35901488 49364546 56416624 60111373 68698712 94460729 98729092 120222746 137397424 163159441 188921458 197458184 240445492 326318882 377842916 394916368 480890984 652637764 661225103 755685832 961781968 1142116087 1305275528 1322450206 1511371664 1794753851 2284232174 2610551056 2644900412 3589507702 4568464348 5289800824 7179015404 9136928696 10579601648 12563276957 14358030808 18273857392 25126553914 28716061616 50253107828 100506215656 201012431312