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2687380377 = 31181435769
BaseRepresentation
bin1010000000101110…
…0010101110011001
320221021210001211120
42200023202232121
521000432133002
61122355515453
7123411233133
oct24013425631
96837701746
102687380377
111159a57720
1262bbb8b89
1333a9b8706
141b6caa053
1510ade0cbc
hexa02e2b99

2687380377 has 8 divisors (see below), whose sum is σ = 3908916960. Its totient is φ = 1628715360.

The previous prime is 2687380373. The next prime is 2687380379. The reversal of 2687380377 is 7730837862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2687380377 - 22 = 2687380373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2687380373) 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, 40717852 + ... + 40717917.

It is an arithmetic number, because the mean of its divisors is an integer number (488614620).

Almost surely, 22687380377 is an apocalyptic number.

It is an amenable number.

2687380377 is a deficient number, since it is larger than the sum of its proper divisors (1221536583).

2687380377 is a wasteful number, since it uses less digits than its factorization.

2687380377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81435783.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The square root of 2687380377 is about 51839.9496238181. The cubic root of 2687380377 is about 1390.3038131344.

The spelling of 2687380377 in words is "two billion, six hundred eighty-seven million, three hundred eighty thousand, three hundred seventy-seven".

Divisors: 1 3 11 33 81435769 244307307 895793459 2687380377