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127401333920 = 2557113751191
BaseRepresentation
bin111011010100110110…
…1100001010010100000
3110011211211002022220222
41312221231201102200
54041404220141140
6134305524422212
712130060320260
oct1665155412240
9404754068828
10127401333920
114a037805913
1220836547968
13c0246aaab3
1462482d37a0
1534a9b485b5
hex1da9b614a0

127401333920 has 48 divisors (see below), whose sum is σ = 343983604608. Its totient is φ = 43680456960.

The previous prime is 127401333907. The next prime is 127401333923. The reversal of 127401333920 is 29333104721.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (127401333923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56874476 + ... + 56876715.

It is an arithmetic number, because the mean of its divisors is an integer number (7166325096).

Almost surely, 2127401333920 is an apocalyptic number.

127401333920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127401333920 is an abundant number, since it is smaller than the sum of its proper divisors (216582270688).

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

127401333920 is a wasteful number, since it uses less digits than its factorization.

127401333920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113751213 (or 113751205 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 127401333920 in words is "one hundred twenty-seven billion, four hundred one million, three hundred thirty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 113751191 227502382 455004764 568755955 796258337 910009528 1137511910 1592516674 1820019056 2275023820 3185033348 3640038112 3981291685 4550047640 6370066696 7962583370 9100095280 12740133392 15925166740 18200190560 25480266784 31850333480 63700666960 127401333920