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120716690 = 2519635351
BaseRepresentation
bin1110011000111…
…11110110010010
322102011001011112
413030133312102
5221400413230
615551213322
72664034463
oct714376622
9272131145
10120716690
1162161266
1234517242
131c0181c3
1412064d6a
15a8e7d95
hex731fd92

120716690 has 16 divisors (see below), whose sum is σ = 228726720. Its totient is φ = 45745200.

The previous prime is 120716689. The next prime is 120716699. The reversal of 120716690 is 96617021.

It is a happy number.

It is a super-2 number, since 2×1207166902 = 29145038489112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120716699) 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, 317486 + ... + 317865.

It is an arithmetic number, because the mean of its divisors is an integer number (14295420).

Almost surely, 2120716690 is an apocalyptic number.

120716690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120716690 is a deficient number, since it is larger than the sum of its proper divisors (108010030).

120716690 is a wasteful number, since it uses less digits than its factorization.

120716690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635377.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 120716690 is about 10987.1147258960. The cubic root of 120716690 is about 494.2224161954. Note that the first 3 decimals are identical.

The spelling of 120716690 in words is "one hundred twenty million, seven hundred sixteen thousand, six hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 635351 1270702 3176755 6353510 12071669 24143338 60358345 120716690