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1348797869890 = 251761479927103
BaseRepresentation
bin10011101000001010100…
…111100010111101000010
311202221111001011002100121
4103220022213202331002
5134044314223314030
62511343523210454
7166306316504542
oct23501247427502
94687431132317
101348797869890
11480027264089
121994a5816a2a
139a263aa8273
14493d4393322
1525142ead47a
hex13a0a9e2f42

1348797869890 has 64 divisors (see below), whose sum is σ = 2613432729600. Its totient is φ = 499335920640.

The previous prime is 1348797869869. The next prime is 1348797869899. The reversal of 1348797869890 is 989687978431.

It is a super-2 number, since 2×13487978698902 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1348797869890.

It is not an unprimeable number, because it can be changed into a prime (1348797869899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49752079 + ... + 49779181.

It is an arithmetic number, because the mean of its divisors is an integer number (40834886400).

Almost surely, 21348797869890 is an apocalyptic number.

1348797869890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1348797869890 is a deficient number, since it is larger than the sum of its proper divisors (1264634859710).

1348797869890 is a wasteful number, since it uses less digits than its factorization.

1348797869890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31987.

The product of its (nonzero) digits is 1316818944, while the sum is 79.

The spelling of 1348797869890 in words is "one trillion, three hundred forty-eight billion, seven hundred ninety-seven million, eight hundred sixty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 17 34 61 85 122 170 305 610 1037 2074 4799 5185 9598 10370 23995 27103 47990 54206 81583 135515 163166 271030 292739 407915 460751 585478 815830 921502 1463695 1653283 2303755 2927390 3306566 4607510 4976563 8266415 9953126 16532830 24882815 28105811 49765630 56211622 130067297 140529055 260134594 281058110 650336485 1300672970 2211144049 4422288098 7934105117 11055720245 15868210234 22111440490 39670525585 79341051170 134879786989 269759573978 674398934945 1348797869890