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13100000213212 = 2211317144738589
BaseRepresentation
bin1011111010100001010011…
…0110111111100011011100
31201101100101112112200222221
42332220110312333203130
53204112300023310322
643510020152115124
72521305134365453
oct276502466774334
951340345480887
1013100000213212
1141a0751671000
121576a4b695aa4
1374042b540c03
143340870ddb9a
1517ab639149c7
hexbea14dbf8dc

13100000213212 has 48 divisors (see below), whose sum is σ = 26699059265760. Its totient is φ = 5604278127360.

The previous prime is 13100000213197. The next prime is 13100000213231. The reversal of 13100000213212 is 21231200000131.

It is a super-2 number, since 2×131000002132122 (a number of 27 digits) contains 22 as substring.

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, 72278787 + ... + 72459802.

It is an arithmetic number, because the mean of its divisors is an integer number (556230401370).

Almost surely, 213100000213212 is an apocalyptic number.

It is an amenable number.

13100000213212 is an abundant number, since it is smaller than the sum of its proper divisors (13599059052548).

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

13100000213212 is a wasteful number, since it uses less digits than its factorization.

13100000213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144738643 (or 144738619 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13100000213212 its reverse (21231200000131), we get a palindrome (34331200213343).

The spelling of 13100000213212 in words is "thirteen trillion, one hundred billion, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 1331 2057 2662 4114 5324 8228 22627 45254 90508 144738589 289477178 578954356 1592124479 2460556013 3184248958 4921112026 6368497916 9842224052 17513369269 27066116143 35026738538 54132232286 70053477076 108264464572 192647061959 297727277573 385294123918 595454555146 770588247836 1190909110292 3275000053303 6550000106606 13100000213212