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10212578398792 = 23711157821128621
BaseRepresentation
bin1001010010011100110100…
…0110111001001001001000
31100011022110010222210122201
42110213031012321021020
52314310330032230132
633415332125525544
72102556133046020
oct224471506711110
940138403883581
1010212578398792
1132881482a0420
12118b323a138b4
135910713b3903
14274411990a80
1512a9bc7da2e7
hex949cd1b9248

10212578398792 has 128 divisors (see below), whose sum is σ = 24055071655680. Its totient is φ = 3948736896000.

The previous prime is 10212578398739. The next prime is 10212578398843. The reversal of 10212578398792 is 29789387521201.

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 31 ways as a sum of consecutive naturals, for example, 79336242 + ... + 79464862.

It is an arithmetic number, because the mean of its divisors is an integer number (187930247310).

Almost surely, 210212578398792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212578398792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12027535827840).

10212578398792 is an abundant number, since it is smaller than the sum of its proper divisors (13842493256888).

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

10212578398792 is a wasteful number, since it uses less digits than its factorization.

10212578398792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129623 (or 129619 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 10212578398792 in words is "ten trillion, two hundred twelve billion, five hundred seventy-eight million, three hundred ninety-eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 157 308 314 616 628 821 1099 1256 1642 1727 2198 3284 3454 4396 5747 6568 6908 8792 9031 11494 12089 13816 18062 22988 24178 36124 45976 48356 63217 72248 96712 126434 128621 128897 252868 257242 257794 505736 514484 515588 900347 902279 1028968 1031176 1414831 1417867 1800694 1804558 2829662 2835734 3601388 3609116 5659324 5671468 7202776 7218232 9903817 9925069 11318648 11342936 19807634 19850138 20193497 39615268 39700276 40386994 79230536 79400552 80773988 105597841 141354479 161547976 211195682 222128467 282708958 422391364 444256934 565417916 739184887 844782728 888513868 1130835832 1161576251 1478369774 1554899269 1777027736 2323152502 2956739548 3109798538 4646305004 5913479096 6219597076 8131033757 9292610008 12439194152 16262067514 16578861037 32524135028 33157722074 65048270056 66315444148 116052027259 132630888296 182367471407 232104054518 364734942814 464208109036 729469885628 928416218072 1276572299849 1458939771256 2553144599698 5106289199396 10212578398792