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2132105555 = 51531327847
BaseRepresentation
bin111111100010101…
…0101100101010011
312111120221011222102
41333011111211103
513331304334210
6551322231015
7103556412116
oct17705254523
95446834872
102132105555
119a4577508
124b605546b
1327c94c328
1416324657d
15c72a9ea5
hex7f155953

2132105555 has 8 divisors (see below), whose sum is σ = 2558785632. Its totient is φ = 1705511808.

The previous prime is 2132105531. The next prime is 2132105579. The reversal of 2132105555 is 5555012312.

It is an interprime number because it is at equal distance from previous prime (2132105531) and next prime (2132105579).

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 2132105555 - 218 = 2131843411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62642 + ... + 90488.

It is an arithmetic number, because the mean of its divisors is an integer number (319848204).

Almost surely, 22132105555 is an apocalyptic number.

2132105555 is a deficient number, since it is larger than the sum of its proper divisors (426680077).

2132105555 is a wasteful number, since it uses less digits than its factorization.

2132105555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43165.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2132105555 is about 46174.7285319578. The cubic root of 2132105555 is about 1287.0721723014.

Adding to 2132105555 its reverse (5555012312), we get a palindrome (7687117867).

The spelling of 2132105555 in words is "two billion, one hundred thirty-two million, one hundred five thousand, five hundred fifty-five".

Divisors: 1 5 15313 27847 76565 139235 426421111 2132105555