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127570139408 = 2411177137989
BaseRepresentation
bin111011011001111000…
…1011101100100010000
3110012021120201112112002
41312303301131210100
54042230423430113
6134334354453132
712134210202455
oct1666361354420
9405246645462
10127570139408
114a114021988
1220882b941a8
13c0506624ba
1462628b582c
1534b988ec58
hex1db3c5d910

127570139408 has 20 divisors (see below), whose sum is σ = 247388457420. Its totient is φ = 63727956864.

The previous prime is 127570139401. The next prime is 127570139443. The reversal of 127570139408 is 804931075721.

It can be written as a sum of positive squares in 2 ways, for example, as 6179217664 + 121390921744 = 78608^2 + 348412^2 .

It is not an unprimeable number, because it can be changed into a prime (127570139401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551123 + ... + 3586866.

It is an arithmetic number, because the mean of its divisors is an integer number (12369422871).

Almost surely, 2127570139408 is an apocalyptic number.

It is an amenable number.

127570139408 is a deficient number, since it is larger than the sum of its proper divisors (119818318012).

127570139408 is a wasteful number, since it uses less digits than its factorization.

127570139408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139114 (or 7139108 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 127570139408 in words is "one hundred twenty-seven billion, five hundred seventy million, one hundred thirty-nine thousand, four hundred eight".

Divisors: 1 2 4 8 16 1117 2234 4468 8936 17872 7137989 14275978 28551956 57103912 114207824 7973133713 15946267426 31892534852 63785069704 127570139408