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127940011 = 172442699
BaseRepresentation
bin1111010000000…
…11010110101011
322220202000200221
413220003112223
5230223040021
620410110511
73112320643
oct750032653
9286660627
10127940011
1166245251
1236a1b437
1320676c64
1412dc5523
15b373241
hex7a035ab

127940011 has 6 divisors (see below), whose sum is σ = 135908900. Its totient is φ = 120413856.

The previous prime is 127940009. The next prime is 127940017. The reversal of 127940011 is 110049721.

It is not a de Polignac number, because 127940011 - 21 = 127940009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127940017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221061 + ... + 221638.

Almost surely, 2127940011 is an apocalyptic number.

127940011 is a deficient number, since it is larger than the sum of its proper divisors (7968889).

127940011 is an equidigital number, since it uses as much as digits as its factorization.

127940011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442733 (or 442716 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 127940011 is about 11311.0570239921. The cubic root of 127940011 is about 503.8896770263.

Adding to 127940011 its reverse (110049721), we get a palindrome (237989732).

The spelling of 127940011 in words is "one hundred twenty-seven million, nine hundred forty thousand, eleven".

Divisors: 1 17 289 442699 7525883 127940011