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127053213 = 3712747639
BaseRepresentation
bin1111001001010…
…10110110011101
322212001222020120
413210222312131
5230011200323
620335105153
73101635350
oct744526635
9285058216
10127053213
1165799a61
12366721b9
1320426421
1412c34297
15b24a5e3
hex792ad9d

127053213 has 16 divisors (see below), whose sum is σ = 195133440. Its totient is φ = 72028656.

The previous prime is 127053211. The next prime is 127053217. The reversal of 127053213 is 312350721.

It is not a de Polignac number, because 127053213 - 21 = 127053211 is a prime.

It is a super-2 number, since 2×1270532132 = 32285037867246738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127053211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21153 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (12195840).

Almost surely, 2127053213 is an apocalyptic number.

It is an amenable number.

127053213 is a deficient number, since it is larger than the sum of its proper divisors (68080227).

127053213 is a wasteful number, since it uses less digits than its factorization.

127053213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47776.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 127053213 is about 11271.7883674242. The cubic root of 127053213 is about 502.7227635374.

The spelling of 127053213 in words is "one hundred twenty-seven million, fifty-three thousand, two hundred thirteen".

Divisors: 1 3 7 21 127 381 889 2667 47639 142917 333473 1000419 6050153 18150459 42351071 127053213