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130013312 = 2711137103
BaseRepresentation
bin1111011111111…
…01100010000000
3100001122100201212
413233331202000
5231240411222
620522345252
73136044362
oct757754200
9301570655
10130013312
1167430a20
123765b228
1320c21870
14133a4d32
15b6326e2
hex7bfd880

130013312 has 64 divisors (see below), whose sum is σ = 304335360. Its totient is φ = 54543360.

The previous prime is 130013311. The next prime is 130013339. The reversal of 130013312 is 213310031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1300133122 = 33806922594418688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130013311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14753 + ... + 21855.

It is an arithmetic number, because the mean of its divisors is an integer number (4755240).

Almost surely, 2130013312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152167680).

130013312 is an abundant number, since it is smaller than the sum of its proper divisors (174322048).

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

130013312 is a wasteful number, since it uses less digits than its factorization.

130013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7129 counting only the distinct ones).

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

The square root of 130013312 is about 11402.3380058653. The cubic root of 130013312 is about 506.5969925737.

Adding to 130013312 its reverse (213310031), we get a palindrome (343323343).

It can be divided in two parts, 1300 and 13312, that multiplied together give a square (17305600 = 41602).

The spelling of 130013312 in words is "one hundred thirty million, thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 176 208 286 352 416 572 704 832 1144 1408 1664 2288 4576 7103 9152 14206 18304 28412 56824 78133 92339 113648 156266 184678 227296 312532 369356 454592 625064 738712 909184 1015729 1250128 1477424 2031458 2500256 2954848 4062916 5000512 5909696 8125832 10001024 11819392 16251664 32503328 65006656 130013312