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2550149761 = 11381127827
BaseRepresentation
bin1001100000000000…
…0011001010000001
320120201120000211011
42120000003022001
520210314243021
61101014320521
7120123625645
oct23000031201
96521500734
102550149761
111099547295
125b2059141
1331843aa73
141a2986c25
15edd34de1
hex98003281

2550149761 has 8 divisors (see below), whose sum is σ = 2575982304. Its totient is φ = 2524374720.

The previous prime is 2550149717. The next prime is 2550149773. The reversal of 2550149761 is 1679410552.

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 2550149761 - 215 = 2550116993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550149711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77730 + ... + 105556.

It is an arithmetic number, because the mean of its divisors is an integer number (321997788).

Almost surely, 22550149761 is an apocalyptic number.

It is an amenable number.

2550149761 is a deficient number, since it is larger than the sum of its proper divisors (25832543).

2550149761 is a wasteful number, since it uses less digits than its factorization.

2550149761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28751.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2550149761 is about 50499.0075249009. The cubic root of 2550149761 is about 1366.2239530217.

The spelling of 2550149761 in words is "two billion, five hundred fifty million, one hundred forty-nine thousand, seven hundred sixty-one".

Divisors: 1 113 811 27827 91643 3144451 22567697 2550149761