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10881289742399 = 319710973298681
BaseRepresentation
bin1001111001010111111101…
…1010001110100000111111
31102112020111210100202202222
42132111333122032200333
52411234340133224044
635050443454435555
72202101334506666
oct236257732164077
942466453322688
1010881289742399
1135158024263aa
121278a49b02bbb
1360c1414c2a8b
1429892b63dddd
1513d0a9a698ee
hex9e57f68e83f

10881289742399 has 16 divisors (see below), whose sum is σ = 11358444093696. Its totient is φ = 10412217446400.

The previous prime is 10881289742339. The next prime is 10881289742419. The reversal of 10881289742399 is 99324798218801.

It is a Cunningham number, because it is equal to 32986802-1.

It is a cyclic number.

It is not a de Polignac number, because 10881289742399 - 232 = 10876994775103 is a prime.

It is a super-5 number, since 5×108812897423995 (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881289742339) 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, 1649339 + ... + 4948019.

It is an arithmetic number, because the mean of its divisors is an integer number (709902755856).

Almost surely, 210881289742399 is an apocalyptic number.

10881289742399 is a deficient number, since it is larger than the sum of its proper divisors (477154351297).

10881289742399 is a wasteful number, since it uses less digits than its factorization.

10881289742399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299906.

The product of its (nonzero) digits is 125411328, while the sum is 71.

The spelling of 10881289742399 in words is "ten trillion, eight hundred eighty-one billion, two hundred eighty-nine million, seven hundred forty-two thousand, three hundred ninety-nine".

Divisors: 1 31 97 1097 3007 34007 106409 3298679 3298681 102259111 319972057 3618653057 9919133767 112178244767 351009346529 10881289742399