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26690301141 = 378811442641
BaseRepresentation
bin11000110110110111…
…011010110011010101
32112220002111210001220
4120312313122303111
5414130204114031
620132241440553
71633260550020
oct306667326325
975802453056
1026690301141
1110356a85319
12520a640159
1326947982ca
141412a661b7
15a632ac596
hex636ddacd5

26690301141 has 16 divisors (see below), whose sum is σ = 40717127808. Its totient is φ = 15234278400.

The previous prime is 26690301137. The next prime is 26690301151. The reversal of 26690301141 is 14110309662.

It is not a de Polignac number, because 26690301141 - 22 = 26690301137 is a prime.

It is a super-3 number, since 3×266903011413 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26690301151) 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, 702820 + ... + 739821.

It is an arithmetic number, because the mean of its divisors is an integer number (2544820488).

Almost surely, 226690301141 is an apocalyptic number.

26690301141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26690301141 is a deficient number, since it is larger than the sum of its proper divisors (14026826667).

26690301141 is a wasteful number, since it uses less digits than its factorization.

26690301141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443532.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 26690301141 in words is "twenty-six billion, six hundred ninety million, three hundred one thousand, one hundred forty-one".

Divisors: 1 3 7 21 881 2643 6167 18501 1442641 4327923 10098487 30295461 1270966721 3812900163 8896767047 26690301141