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129141414 = 2327174523
BaseRepresentation
bin1111011001010…
…00101010100110
3100000000001201100
413230220222212
5231030011124
620451540530
73125453403
oct754505246
9300001640
10129141414
1166995946
12372ba746
13209a7a4c
14132192aa
15b50e1c9
hex7b28aa6

129141414 has 12 divisors (see below), whose sum is σ = 279806436. Its totient is φ = 43047132.

The previous prime is 129141413. The next prime is 129141451. The reversal of 129141414 is 414141921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129141413) 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, 3587244 + ... + 3587279.

It is an arithmetic number, because the mean of its divisors is an integer number (23317203).

Almost surely, 2129141414 is an apocalyptic number.

129141414 is an abundant number, since it is smaller than the sum of its proper divisors (150665022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129141414 is a wasteful number, since it uses less digits than its factorization.

129141414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174531 (or 7174528 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 129141414 is about 11364.0403906357. The cubic root of 129141414 is about 505.4620011530.

The spelling of 129141414 in words is "one hundred twenty-nine million, one hundred forty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 7174523 14349046 21523569 43047138 64570707 129141414