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129114190 = 2577316703
BaseRepresentation
bin1111011001000…
…10000001001110
322222221200101001
413230202001032
5231023123230
620451210514
73125311132
oct754420116
9288850331
10129114190
1166977447
12372a6a3a
132099853a
141320d3c2
15b5060ca
hex7b2204e

129114190 has 16 divisors (see below), whose sum is σ = 232720128. Its totient is φ = 51575776.

The previous prime is 129114187. The next prime is 129114191. The reversal of 129114190 is 91411921.

It is a super-2 number, since 2×1291141902 = 33340948118712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129114191) 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, 622 + ... + 16081.

It is an arithmetic number, because the mean of its divisors is an integer number (14545008).

Almost surely, 2129114190 is an apocalyptic number.

129114190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129114190 is a deficient number, since it is larger than the sum of its proper divisors (103605938).

129114190 is a wasteful number, since it uses less digits than its factorization.

129114190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 129114190 is about 11362.8425140895. The cubic root of 129114190 is about 505.4264802354.

The spelling of 129114190 in words is "one hundred twenty-nine million, one hundred fourteen thousand, one hundred ninety".

Divisors: 1 2 5 10 773 1546 3865 7730 16703 33406 83515 167030 12911419 25822838 64557095 129114190