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103405615511 = 1144920936549
BaseRepresentation
bin110000001001101110…
…1000111100110010111
3100212220111220112110112
41200103131013212113
53143233314144021
6115300501113235
710320326141462
oct1402335074627
9325814815415
10103405615511
113a943857480
121805a3b881b
13999c250553
14500d4902d9
152a53200d5b
hex1813747997

103405615511 has 8 divisors (see below), whose sum is σ = 113057370000. Its totient is φ = 93795735040.

The previous prime is 103405615507. The next prime is 103405615609. The reversal of 103405615511 is 115516504301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103405615511 - 22 = 103405615507 is a prime.

It is a super-2 number, since 2×1034056155112 (a number of 23 digits) contains 22 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 (103405615211) 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 7 ways as a sum of consecutive naturals, for example, 10463336 + ... + 10473213.

It is an arithmetic number, because the mean of its divisors is an integer number (14132171250).

Almost surely, 2103405615511 is an apocalyptic number.

103405615511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103405615511 is a deficient number, since it is larger than the sum of its proper divisors (9651754489).

103405615511 is a wasteful number, since it uses less digits than its factorization.

103405615511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937009.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 103405615511 in words is "one hundred three billion, four hundred five million, six hundred fifteen thousand, five hundred eleven".

Divisors: 1 11 449 4939 20936549 230302039 9400510501 103405615511