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75127402140 = 22357223802129
BaseRepresentation
bin100010111110111110…
…0010010111010011100
321011220202110110022120
41011331330102322130
52212330103332030
654302452542540
75266504244640
oct1057574227234
9234822413276
1075127402140
11299525071aa
1212688021a50
1371137c240b
1438c999cc20
151e4a831010
hex117df12e9c

75127402140 has 96 divisors (see below), whose sum is σ = 241486049280. Its totient is φ = 17094951936.

The previous prime is 75127402111. The next prime is 75127402157. The reversal of 75127402140 is 4120472157.

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, 307405 + ... + 494724.

It is an arithmetic number, because the mean of its divisors is an integer number (2515479680).

Almost surely, 275127402140 is an apocalyptic number.

75127402140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75127402140 is an abundant number, since it is smaller than the sum of its proper divisors (166358647140).

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

75127402140 is a wasteful number, since it uses less digits than its factorization.

75127402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802371 (or 802369 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 75127402140 its reverse (4120472157), we get a palindrome (79247874297).

The spelling of 75127402140 in words is "seventy-five billion, one hundred twenty-seven million, four hundred two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 223 420 446 669 892 1115 1338 1561 2230 2676 3122 3345 4460 4683 6244 6690 7805 9366 13380 15610 18732 23415 31220 46830 93660 802129 1604258 2406387 3208516 4010645 4812774 5614903 8021290 9625548 11229806 12031935 16042580 16844709 22459612 24063870 28074515 33689418 48127740 56149030 67378836 84223545 112298060 168447090 178874767 336894180 357749534 536624301 715499068 894373835 1073248602 1252123369 1788747670 2146497204 2504246738 2683121505 3577495340 3756370107 5008493476 5366243010 6260616845 7512740214 10732486020 12521233690 15025480428 18781850535 25042467380 37563701070 75127402140