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129713390 = 2512971339
BaseRepresentation
bin1111011101101…
…00010011101110
3100001002010022122
413232310103232
5231201312030
620512112542
73133355102
oct756642356
9301063278
10129713390
1167246654
1237535752
1320b481b1
1413327902
15b5c38e5
hex7bb44ee

129713390 has 8 divisors (see below), whose sum is σ = 233484120. Its totient is φ = 51885352.

The previous prime is 129713387. The next prime is 129713429. The reversal of 129713390 is 93317921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 129713390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485660 + ... + 6485679.

It is an arithmetic number, because the mean of its divisors is an integer number (29185515).

Almost surely, 2129713390 is an apocalyptic number.

129713390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129713390 is a deficient number, since it is larger than the sum of its proper divisors (103770730).

129713390 is a wasteful number, since it uses less digits than its factorization.

129713390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971346.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 129713390 is about 11389.1786358806. The cubic root of 129713390 is about 506.2071438598.

It can be divided in two parts, 12971 and 3390, that added together give a palindrome (16361).

The spelling of 129713390 in words is "one hundred twenty-nine million, seven hundred thirteen thousand, three hundred ninety".

Divisors: 1 2 5 10 12971339 25942678 64856695 129713390