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13212133312015 = 511269939889907
BaseRepresentation
bin1100000001000011000010…
…0000110100011000001111
31201210001211021202022211101
43000100300200310120033
53212431422111441030
644033323101403531
72532354660116041
oct300206040643017
951701737668741
1013212133312015
1142342638a6890
1215947248695a7
1374ab8b947251
14339683707a91
1517da27e117ca
hexc043083460f

13212133312015 has 16 divisors (see below), whose sum is σ = 17295967117440. Its totient is φ = 9608777833120.

The previous prime is 13212133311931. The next prime is 13212133312031. The reversal of 13212133312015 is 51021333121231.

It is not a de Polignac number, because 13212133312015 - 241 = 11013110056463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14401692 + ... + 15291598.

It is an arithmetic number, because the mean of its divisors is an integer number (1080997944840).

Almost surely, 213212133312015 is an apocalyptic number.

13212133312015 is a deficient number, since it is larger than the sum of its proper divisors (4083833805425).

13212133312015 is a wasteful number, since it uses less digits than its factorization.

13212133312015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159862.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13212133312015 its reverse (51021333121231), we get a palindrome (64233466433246).

The spelling of 13212133312015 in words is "thirteen trillion, two hundred twelve billion, one hundred thirty-three million, three hundred twelve thousand, fifteen".

Divisors: 1 5 11 55 269939 889907 1349695 2969329 4449535 9788977 14846645 48944885 240220605673 1201103028365 2642426662403 13212133312015