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550050510505 = 5318774046423
BaseRepresentation
bin10000000000100011001…
…00001011011010101001
31221120202222002002020211
420000101210023122221
533003000412314010
61100404551221121
754511523124136
oct10002144133251
91846688062224
10550050510505
111a230319a871
128a72a9777a1
133cb3c4c4372
141c8a054158d
15e494b5408a
hex801190b6a9

550050510505 has 16 divisors (see below), whose sum is σ = 682129972224. Its totient is φ = 425359880640.

The previous prime is 550050510479. The next prime is 550050510509. The reversal of 550050510505 is 505015050055.

It is not a de Polignac number, because 550050510505 - 29 = 550050509993 is a prime.

It is a super-2 number, since 2×5500505105052 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550050510509) 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, 1887277 + ... + 2159146.

It is an arithmetic number, because the mean of its divisors is an integer number (42633123264).

Almost surely, 2550050510505 is an apocalyptic number.

It is an amenable number.

550050510505 is a deficient number, since it is larger than the sum of its proper divisors (132079461719).

550050510505 is a wasteful number, since it uses less digits than its factorization.

550050510505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047336.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 550050510505 in words is "five hundred fifty billion, fifty million, five hundred ten thousand, five hundred five".

Divisors: 1 5 31 155 877 4385 27187 135935 4046423 20232115 125439113 627195565 3548712971 17743564855 110010102101 550050510505