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2660136550 = 252471131973
BaseRepresentation
bin1001111010001110…
…0111011001100110
320212101111221022221
42132203213121212
520421443332200
61115543542554
7122630534101
oct23643473146
96771457287
102660136550
111145639a65
12622a5aa5a
1333516a0c6
141b3417738
1510880d91a
hex9e8e7666

2660136550 has 24 divisors (see below), whose sum is σ = 5053131936. Its totient is φ = 1041414240.

The previous prime is 2660136527. The next prime is 2660136581. The reversal of 2660136550 is 556310662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563637 + ... + 568336.

It is an arithmetic number, because the mean of its divisors is an integer number (210547164).

Almost surely, 22660136550 is an apocalyptic number.

2660136550 is a deficient number, since it is larger than the sum of its proper divisors (2392995386).

2660136550 is a wasteful number, since it uses less digits than its factorization.

2660136550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132032 (or 1132027 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2660136550 is about 51576.5116113915. The cubic root of 2660136550 is about 1385.5896909824.

The spelling of 2660136550 in words is "two billion, six hundred sixty million, one hundred thirty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 25 47 50 94 235 470 1175 2350 1131973 2263946 5659865 11319730 28299325 53202731 56598650 106405462 266013655 532027310 1330068275 2660136550