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120513051 = 3217787667
BaseRepresentation
bin1110010111011…
…10001000011011
322101202200211100
413023232020123
5221322404201
615543002443
72662226001
oct713561033
9271680740
10120513051
116203226a
1234439423
131bc765c9
1412010a71
15a8a7886
hex72ee21b

120513051 has 12 divisors (see below), whose sum is σ = 184314312. Its totient is φ = 75615936.

The previous prime is 120513037. The next prime is 120513079. The reversal of 120513051 is 150315021.

It is not a de Polignac number, because 120513051 - 211 = 120511003 is a prime.

It is a super-2 number, since 2×1205130512 = 29046790922657202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120517051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393681 + ... + 393986.

It is an arithmetic number, because the mean of its divisors is an integer number (15359526).

Almost surely, 2120513051 is an apocalyptic number.

120513051 is a deficient number, since it is larger than the sum of its proper divisors (63801261).

120513051 is a wasteful number, since it uses less digits than its factorization.

120513051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787690 (or 787687 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 120513051 is about 10977.8436407156. The cubic root of 120513051 is about 493.9443557665.

Adding to 120513051 its reverse (150315021), we get a palindrome (270828072).

The spelling of 120513051 in words is "one hundred twenty million, five hundred thirteen thousand, fifty-one".

Divisors: 1 3 9 17 51 153 787667 2363001 7089003 13390339 40171017 120513051