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750010055 = 5193177681
BaseRepresentation
bin101100101101000…
…011111011000111
31221021021110101012
4230231003323013
53014000310210
6202231152435
724404660144
oct5455037307
91837243335
10750010055
113553a7723
1218b21571b
13bc4cc242
14718753cb
1545ca0305
hex2cb43ec7

750010055 has 8 divisors (see below), whose sum is σ = 900489744. Its totient is φ = 599689600.

The previous prime is 750009901. The next prime is 750010061. The reversal of 750010055 is 550010057.

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

It is not a de Polignac number, because 750010055 - 212 = 750005959 is a prime.

It is a super-2 number, since 2×7500100552 = 1125030165202206050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 750010055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29186 + ... + 48495.

It is an arithmetic number, because the mean of its divisors is an integer number (112561218).

Almost surely, 2750010055 is an apocalyptic number.

750010055 is a deficient number, since it is larger than the sum of its proper divisors (150479689).

750010055 is a wasteful number, since it uses less digits than its factorization.

750010055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79617.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 750010055 is about 27386.3114529869. The cubic root of 750010055 is about 908.5643566529.

The spelling of 750010055 in words is "seven hundred fifty million, ten thousand, fifty-five".

Divisors: 1 5 1931 9655 77681 388405 150002011 750010055