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30707232691880 = 2352352164064159
BaseRepresentation
bin1101111101101100101011…
…01100100101011010101000
311000201120201211202222021002
412332312111230211122220
513011101403032120010
6145150412530134132
76316344565156043
oct676662554453250
9130646654688232
1030707232691880
119869956356158
12353b326121348
1314198ab174714
1478234909dc5a
15383b73d111a5
hex1bed95b256a8

30707232691880 has 64 divisors (see below), whose sum is σ = 72233621683200. Its totient is φ = 11726303480320.

The previous prime is 30707232691841. The next prime is 30707232691909. The reversal of 30707232691880 is 8819623270703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31552760 + ... + 32511399.

It is an arithmetic number, because the mean of its divisors is an integer number (1128650338800).

Almost surely, 230707232691880 is an apocalyptic number.

It is an amenable number.

30707232691880 is an abundant number, since it is smaller than the sum of its proper divisors (41526388991320).

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

30707232691880 is a wasteful number, since it uses less digits than its factorization.

30707232691880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64064714 (or 64064710 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 30707232691880 in words is "thirty trillion, seven hundred seven billion, two hundred thirty-two million, six hundred ninety-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 521 920 1042 2084 2605 4168 5210 10420 11983 20840 23966 47932 59915 95864 119830 239660 479320 64064159 128128318 256256636 320320795 512513272 640641590 1281283180 1473475657 2562566360 2946951314 5893902628 7367378285 11787805256 14734756570 29469513140 33377426839 58939026280 66754853678 133509707356 166887134195 267019414712 333774268390 667548536780 767680817297 1335097073560 1535361634594 3070723269188 3838404086485 6141446538376 7676808172970 15353616345940 30707232691880