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130315122 = 2337344749
BaseRepresentation
bin1111100010001…
…11001101110010
3100002012200202000
413301013031302
5231330040442
620533034430
73141442320
oct761071562
9302180660
10130315122
1167617753
1237785a16
1320cc9052
1413442d10
15b691d4c
hex7c47372

130315122 has 32 divisors (see below), whose sum is σ = 330960000. Its totient is φ = 37232784.

The previous prime is 130315121. The next prime is 130315123. The reversal of 130315122 is 221513031.

It is an interprime number because it is at equal distance from previous prime (130315121) and next prime (130315123).

It is a super-3 number, since 3×1303151223 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130315095 and 130315104.

It is not an unprimeable number, because it can be changed into a prime (130315121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171997 + ... + 172752.

It is an arithmetic number, because the mean of its divisors is an integer number (10342500).

Almost surely, 2130315122 is an apocalyptic number.

130315122 is an abundant number, since it is smaller than the sum of its proper divisors (200644878).

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

130315122 is a wasteful number, since it uses less digits than its factorization.

130315122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344767 (or 344761 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130315122 is about 11415.5649006083. The cubic root of 130315122 is about 506.9886906199.

Adding to 130315122 its reverse (221513031), we get a palindrome (351828153).

The spelling of 130315122 in words is "one hundred thirty million, three hundred fifteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 344749 689498 1034247 2068494 2413243 3102741 4826486 6205482 7239729 9308223 14479458 18616446 21719187 43438374 65157561 130315122