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550249701449 = 71723613295757
BaseRepresentation
bin10000000000111010111…
…00000010000001001001
31221121021211220000212012
420000131130002001021
533003402410421244
61100440424425305
754516462201560
oct10003534020111
91847254800765
10550249701449
111a23a567a988
128a785618235
133cb71857326
141c8bcb92bd7
15e4a739d89e
hex801d702049

550249701449 has 32 divisors (see below), whose sum is σ = 706188658176. Its totient is φ = 417638200320.

The previous prime is 550249701431. The next prime is 550249701451. The reversal of 550249701449 is 944107942055.

It is not a de Polignac number, because 550249701449 - 28 = 550249701193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550249701397 and 550249701406.

It is not an unprimeable number, because it can be changed into a prime (550249701409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1480922 + ... + 1814835.

It is an arithmetic number, because the mean of its divisors is an integer number (22068395568).

Almost surely, 2550249701449 is an apocalyptic number.

It is an amenable number.

550249701449 is a deficient number, since it is larger than the sum of its proper divisors (155938956727).

550249701449 is a wasteful number, since it uses less digits than its factorization.

550249701449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295865.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 550249701449 in words is "five hundred fifty billion, two hundred forty-nine million, seven hundred one thousand, four hundred forty-nine".

Divisors: 1 7 17 23 61 119 161 391 427 1037 1403 2737 7259 9821 23851 166957 3295757 23070299 56027869 75802411 201041177 392195083 530616877 1288640987 1407288239 3417700009 4623947071 9020486909 23923900063 32367629497 78607100207 550249701449