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1942745342977 = 5392951137717
BaseRepresentation
bin11100010001010100101…
…001010110010000000001
320212201120021002220210101
4130101110221112100001
5223312220301433402
64044252423002401
7260234016643525
oct34212451262001
96781507086711
101942745342977
11689a0610a61a
12274625599401
1311127a8083aa
146a05a873d85
15358067b9b87
hex1c454a56401

1942745342977 has 16 divisors (see below), whose sum is σ = 1982175967440. Its totient is φ = 1903418929152.

The previous prime is 1942745342969. The next prime is 1942745342999. The reversal of 1942745342977 is 7792435472491.

It is a Cunningham number, because it is equal to 13938242+1.

It can be written as a sum of positive squares in 8 ways, for example, as 542224576881 + 1400520766096 = 736359^2 + 1183436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1942745342977 - 23 = 1942745342969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942745342077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251744923 + ... + 251752639.

It is an arithmetic number, because the mean of its divisors is an integer number (123885997965).

Almost surely, 21942745342977 is an apocalyptic number.

It is an amenable number.

1942745342977 is a deficient number, since it is larger than the sum of its proper divisors (39430624463).

1942745342977 is an equidigital number, since it uses as much as digits as its factorization.

1942745342977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13812.

The product of its digits is 106686720, while the sum is 64.

The spelling of 1942745342977 in words is "one trillion, nine hundred forty-two billion, seven hundred forty-five million, three hundred forty-two thousand, nine hundred seventy-seven".

Divisors: 1 53 929 5113 7717 49237 270989 409001 4749977 7169093 39457021 251748781 379961929 2091222113 36655572509 1942745342977