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842120525021248 = 261171149311284529
BaseRepresentation
bin1011111101111001110111011…
…0110000001000000001000000
311002102200221021022101112211001
42333132131312300020001000
51340334300313401134443
612143012454540501344
7342244125440140264
oct27736356660100100
94072627238345731
10842120525021248
11224364344379520
127a548723b4a854
132a1b78177b7835
1410bd4bcab900a4
15675574a068d4d
hex2fde776c08040

842120525021248 has 112 divisors (see below), whose sum is σ = 1849913988312960. Its totient is φ = 377137953382400.

The previous prime is 842120525021239. The next prime is 842120525021261.

842120525021248 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 842120525021198 and 842120525021207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68983848 + ... + 80268376.

Almost surely, 2842120525021248 is an apocalyptic number.

842120525021248 is a gapful number since it is divisible by the number (88) 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 842120525021248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924956994156480).

842120525021248 is an abundant number, since it is smaller than the sum of its proper divisors (1007793463291712).

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

842120525021248 is a wasteful number, since it uses less digits than its factorization.

842120525021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286116 (or 11286106 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 46.

The spelling of 842120525021248 in words is "eight hundred forty-two trillion, one hundred twenty billion, five hundred twenty-five million, twenty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 71 88 142 176 284 352 568 704 781 1136 1493 1562 2272 2986 3124 4544 5972 6248 11944 12496 16423 23888 24992 32846 47776 49984 65692 95552 106003 131384 212006 262768 424012 525536 848024 1051072 1166033 1696048 2332066 3392096 4664132 6784192 9328264 11284529 18656528 22569058 37313056 45138116 74626112 90276232 124129819 180552464 248259638 361104928 496519276 722209856 801201559 993038552 1602403118 1986077104 3204806236 3972154208 6409612472 7944308416 8813217149 12819224944 16847801797 17626434298 25638449888 33695603594 35252868596 51276899776 67391207188 70505737192 134782414376 141011474384 185325819767 269564828752 282022948768 370651639534 539129657504 564045897536 741303279068 1078259315008 1196193927587 1482606558136 2392387855174 2965213116272 4784775710348 5930426232544 9569551420696 11860852465088 13158133203457 19139102841392 26316266406914 38278205682784 52632532813828 76556411365568 105265065627656 210530131255312 421060262510624 842120525021248