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129723483 = 3107404123
BaseRepresentation
bin1111011101101…
…10110001011011
3100001002122011110
413232312301123
5231202122413
620512231403
73133426401
oct756666133
9301078143
10129723483
116725319a
123753b563
1320b4c976
141332b471
15b5c68c3
hex7bb6c5b

129723483 has 8 divisors (see below), whose sum is σ = 174581568. Its totient is φ = 85673864.

The previous prime is 129723479. The next prime is 129723493. The reversal of 129723483 is 384327921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129723483 - 22 = 129723479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129723493) 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, 201741 + ... + 202382.

It is an arithmetic number, because the mean of its divisors is an integer number (21822696).

Almost surely, 2129723483 is an apocalyptic number.

129723483 is a deficient number, since it is larger than the sum of its proper divisors (44858085).

129723483 is a wasteful number, since it uses less digits than its factorization.

129723483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404233.

The product of its digits is 72576, while the sum is 39.

The square root of 129723483 is about 11389.6217233058. The cubic root of 129723483 is about 506.2202728467.

The spelling of 129723483 in words is "one hundred twenty-nine million, seven hundred twenty-three thousand, four hundred eighty-three".

Divisors: 1 3 107 321 404123 1212369 43241161 129723483