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127146137471 = 4431560118397
BaseRepresentation
bin111011001101010000…
…0000001011101111111
3110011012000220000012122
41312122200001131333
54040343402344341
6134224330553155
712120541223303
oct1663240013577
9404160800178
10127146137471
1149a16752a61
1220784b987bb
13bcb3869092
146222463d03
15349253994b
hex1d9a80177f

127146137471 has 8 divisors (see below), whose sum is σ = 127448244624. Its totient is φ = 126844099200.

The previous prime is 127146137453. The next prime is 127146137491. The reversal of 127146137471 is 174731641721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127146137471 is a prime.

It is a super-3 number, since 3×1271461374713 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127146137491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6902045 + ... + 6920441.

It is an arithmetic number, because the mean of its divisors is an integer number (15931030578).

Almost surely, 2127146137471 is an apocalyptic number.

127146137471 is a deficient number, since it is larger than the sum of its proper divisors (302107153).

127146137471 is a wasteful number, since it uses less digits than its factorization.

127146137471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34441.

The product of its digits is 197568, while the sum is 44.

The spelling of 127146137471 in words is "one hundred twenty-seven billion, one hundred forty-six million, one hundred thirty-seven thousand, four hundred seventy-one".

Divisors: 1 443 15601 18397 6911243 8149871 287011597 127146137471