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20374372027457 = 718121160621631
BaseRepresentation
bin1001010000111110001110…
…01101010000110001000001
32200010202211000110222110022
410220133013031100301001
510132303203214334312
6111155505101543225
74201666634526530
oct450370715206101
980122730428408
1020374372027457
1165457a493a338
122350833b74b15
13b4a3ab277a86
145061a68cc317
15254eb68b6172
hex1287c7350c41

20374372027457 has 8 divisors (see below), whose sum is σ = 23286281720832. Its totient is φ = 17462783613600.

The previous prime is 20374372027441. The next prime is 20374372027463. The reversal of 20374372027457 is 75472027347302.

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 20374372027457 - 24 = 20374372027441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20374372027399 and 20374372027408.

It is not an unprimeable number, because it can be changed into a prime (20374372021457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80183969 + ... + 80437662.

It is an arithmetic number, because the mean of its divisors is an integer number (2910785215104).

Almost surely, 220374372027457 is an apocalyptic number.

It is an amenable number.

20374372027457 is a deficient number, since it is larger than the sum of its proper divisors (2911909693375).

20374372027457 is a wasteful number, since it uses less digits than its factorization.

20374372027457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160639759.

The product of its (nonzero) digits is 13829760, while the sum is 53.

The spelling of 20374372027457 in words is "twenty trillion, three hundred seventy-four billion, three hundred seventy-two million, twenty-seven thousand, four hundred fifty-seven".

Divisors: 1 7 18121 126847 160621631 1124351417 2910624575351 20374372027457