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130512152 = 2316314019
BaseRepresentation
bin1111100011101…
…11010100011000
3100002120201000102
413301313110120
5231402342102
620541154532
73143222621
oct761672430
9302521012
10130512152
1167741791
123785ba48
1321067934
1413494a48
15b6d0402
hex7c77518

130512152 has 8 divisors (see below), whose sum is σ = 244710300. Its totient is φ = 65256072.

The previous prime is 130512149. The next prime is 130512157. The reversal of 130512152 is 251215031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1305121522 = 34066843639342208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130512157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157002 + ... + 8157017.

Almost surely, 2130512152 is an apocalyptic number.

It is an amenable number.

130512152 is a deficient number, since it is larger than the sum of its proper divisors (114198148).

130512152 is a wasteful number, since it uses less digits than its factorization.

130512152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16314025 (or 16314021 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 130512152 is about 11424.1915250052. The cubic root of 130512152 is about 507.2440758699.

Adding to 130512152 its reverse (251215031), we get a palindrome (381727183).

The spelling of 130512152 in words is "one hundred thirty million, five hundred twelve thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16314019 32628038 65256076 130512152