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2755527997 = 10326752699
BaseRepresentation
bin1010010000111110…
…0000010100111101
321010001000022210111
42210033200110331
521120403343442
61133232310021
7125166413215
oct24417402475
97101008714
102755527997
111194472a72
1264a9a2311
1334bb59051
141c1d69245
15111da2b17
hexa43e053d

2755527997 has 4 divisors (see below), whose sum is σ = 2782280800. Its totient is φ = 2728775196.

The previous prime is 2755527989. The next prime is 2755528001. The reversal of 2755527997 is 7997255572.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2755527997 - 23 = 2755527989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755527947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13376247 + ... + 13376452.

It is an arithmetic number, because the mean of its divisors is an integer number (695570200).

Almost surely, 22755527997 is an apocalyptic number.

It is an amenable number.

2755527997 is a deficient number, since it is larger than the sum of its proper divisors (26752803).

2755527997 is a wasteful number, since it uses less digits than its factorization.

2755527997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26752802.

The product of its digits is 13891500, while the sum is 58.

The square root of 2755527997 is about 52493.1233305849. The cubic root of 2755527997 is about 1401.9578045750.

The spelling of 2755527997 in words is "two billion, seven hundred fifty-five million, five hundred twenty-seven thousand, nine hundred ninety-seven".

Divisors: 1 103 26752699 2755527997