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129041374 = 2711837931
BaseRepresentation
bin1111011000100…
…00001111011110
322222210222111011
413230100033132
5231013310444
620445445434
73124555630
oct754201736
9288728434
10129041374
1166927770
123727087a
1320971357
14131d0a50
15b4de734
hex7b103de

129041374 has 16 divisors (see below), whose sum is σ = 241324416. Its totient is φ = 50275800.

The previous prime is 129041371. The next prime is 129041377. The reversal of 129041374 is 473140921.

It is an interprime number because it is at equal distance from previous prime (129041371) and next prime (129041377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129041371) 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, 418812 + ... + 419119.

It is an arithmetic number, because the mean of its divisors is an integer number (15082776).

Almost surely, 2129041374 is an apocalyptic number.

129041374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129041374 is a deficient number, since it is larger than the sum of its proper divisors (112283042).

129041374 is a wasteful number, since it uses less digits than its factorization.

129041374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837951.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 129041374 is about 11359.6379343710. The cubic root of 129041374 is about 505.3314479353.

The spelling of 129041374 in words is "one hundred twenty-nine million, forty-one thousand, three hundred seventy-four".

Divisors: 1 2 7 11 14 22 77 154 837931 1675862 5865517 9217241 11731034 18434482 64520687 129041374