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127345461320 = 23571189464561
BaseRepresentation
bin111011010011001100…
…0011000100001001000
3110011200220221201010102
41312212120120201020
54041300414230240
6134300211104532
712125511363350
oct1664630304110
9404626851112
10127345461320
114a009213a10
122081b8a2148
13c015c4769c
146240b0bb60
1534a4cad815
hex1da6618848

127345461320 has 128 divisors (see below), whose sum is σ = 361243411200. Its totient is φ = 39246028800.

The previous prime is 127345461311. The next prime is 127345461349. The reversal of 127345461320 is 23164543721.

It is a super-2 number, since 2×1273454613202 (a number of 23 digits) contains 22 as substring.

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, 41840 + ... + 506400.

It is an arithmetic number, because the mean of its divisors is an integer number (2822214150).

Almost surely, 2127345461320 is an apocalyptic number.

127345461320 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 127345461320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180621705600).

127345461320 is an abundant number, since it is smaller than the sum of its proper divisors (233897949880).

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

127345461320 is a wasteful number, since it uses less digits than its factorization.

127345461320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464679 (or 464675 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 127345461320 in words is "one hundred twenty-seven billion, three hundred forty-five million, four hundred sixty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 89 110 140 154 178 220 280 308 356 385 440 445 616 623 712 770 890 979 1246 1540 1780 1958 2492 3080 3115 3560 3916 4895 4984 6230 6853 7832 9790 12460 13706 19580 24920 27412 34265 39160 54824 68530 137060 274120 464561 929122 1858244 2322805 3251927 3716488 4645610 5110171 6503854 9291220 10220342 13007708 16259635 18582440 20440684 25550855 26015416 32519270 35771197 40881368 41345929 51101710 65038540 71542394 82691858 102203420 130077080 143084788 165383716 178855985 204406840 206729645 286169576 289421503 330767432 357711970 413459290 454805219 578843006 715423940 826918580 909610438 1157686012 1430847880 1447107515 1653837160 1819220876 2274026095 2315372024 2894215030 3183636533 3638441752 4548052190 5788430060 6367273066 9096104380 11576860120 12734546132 15918182665 18192208760 25469092264 31836365330 63672730660 127345461320