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120457130 = 2512045713
BaseRepresentation
bin1110010111000…
…00011110101010
322101122212010012
413023200132222
5221314112010
615541451522
72661603653
oct713403652
9271585105
10120457130
1161aa4252
1234410ba2
131bc57011
1411dd852a
15a896005
hex72e07aa

120457130 has 8 divisors (see below), whose sum is σ = 216822852. Its totient is φ = 48182848.

The previous prime is 120457091. The next prime is 120457133. The reversal of 120457130 is 31754021.

It can be written as a sum of positive squares in 2 ways, for example, as 114041041 + 6416089 = 10679^2 + 2533^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 120457096 and 120457105.

It is not an unprimeable number, because it can be changed into a prime (120457133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022847 + ... + 6022866.

Almost surely, 2120457130 is an apocalyptic number.

120457130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120457130 is a deficient number, since it is larger than the sum of its proper divisors (96365722).

120457130 is a wasteful number, since it uses less digits than its factorization.

120457130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045720.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 120457130 is about 10975.2963513520. The cubic root of 120457130 is about 493.8679431965.

The spelling of 120457130 in words is "one hundred twenty million, four hundred fifty-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 12045713 24091426 60228565 120457130