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120313130 = 25721912923
BaseRepresentation
bin1110010101111…
…01010100101010
322101101112120212
413022331110222
5221300010010
615534421122
72660434100
oct712752452
9271345525
10120313130
1161a06043
12343617a2
131bc06602
1411d9bc70
15a868505
hex72bd52a

120313130 has 48 divisors (see below), whose sum is σ = 265200480. Its totient is φ = 39076128.

The previous prime is 120313103. The next prime is 120313153. The reversal of 120313130 is 31313021.

It is a super-4 number, since 4×1203131304 (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2849 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (5525010).

Almost surely, 2120313130 is an apocalyptic number.

120313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120313130 is an abundant number, since it is smaller than the sum of its proper divisors (144887350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120313130 is a wasteful number, since it uses less digits than its factorization.

120313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963 (or 12956 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 120313130 is about 10968.7342022678. The cubic root of 120313130 is about 493.6710672305.

Adding to 120313130 its reverse (31313021), we get a palindrome (151626151).

The spelling of 120313130 in words is "one hundred twenty million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 12923 25846 64615 90461 129230 180922 245537 452305 491074 633227 904610 1227685 1266454 1718759 2455370 3166135 3437518 6332270 8593795 12031313 17187590 24062626 60156565 120313130