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129701342 = 2181358291
BaseRepresentation
bin1111011101100…
…01010111011110
3100001001111210102
413232301113132
5231200420332
620511541102
73133305011
oct756612736
9301044712
10129701342
11672385a1
123752a792
1320b42874
1413323378
15b5c0062
hex7bb15de

129701342 has 8 divisors (see below), whose sum is σ = 195627432. Its totient is φ = 64492200.

The previous prime is 129701333. The next prime is 129701359. The reversal of 129701342 is 243107921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178784 + ... + 179507.

It is an arithmetic number, because the mean of its divisors is an integer number (24453429).

Almost surely, 2129701342 is an apocalyptic number.

129701342 is a deficient number, since it is larger than the sum of its proper divisors (65926090).

129701342 is a wasteful number, since it uses less digits than its factorization.

129701342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358474.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 129701342 is about 11388.6497004693. The cubic root of 129701342 is about 506.1914709148.

The spelling of 129701342 in words is "one hundred twenty-nine million, seven hundred one thousand, three hundred forty-two".

Divisors: 1 2 181 362 358291 716582 64850671 129701342