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2061392655 = 35737530603
BaseRepresentation
bin111101011011110…
…0101101100001111
312022122212121010010
41322313211230033
513210204031110
6540314444303
7102040356060
oct17267455417
95278777103
102061392655
119686698a3
12496433693
1326b0c118a
14157aba567
15c0e8d020
hex7ade5b0f

2061392655 has 32 divisors (see below), whose sum is σ = 3871286784. Its totient is φ = 916880256.

The previous prime is 2061392623. The next prime is 2061392689. The reversal of 2061392655 is 5562931602.

It is not a de Polignac number, because 2061392655 - 25 = 2061392623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261417 + ... + 269186.

It is an arithmetic number, because the mean of its divisors is an integer number (120977712).

Almost surely, 22061392655 is an apocalyptic number.

2061392655 is a deficient number, since it is larger than the sum of its proper divisors (1809894129).

2061392655 is a wasteful number, since it uses less digits than its factorization.

2061392655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530655.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 2061392655 is about 45402.5622074349. The cubic root of 2061392655 is about 1272.6829953373.

It can be divided in two parts, 2061 and 392655, that added together give a triangular number (394716 = T888).

The spelling of 2061392655 in words is "two billion, sixty-one million, three hundred ninety-two thousand, six hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 37 105 111 185 259 555 777 1295 3885 530603 1591809 2653015 3714221 7959045 11142663 18571105 19632311 55713315 58896933 98161555 137426177 294484665 412278531 687130885 2061392655