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1942160690557 = 3241159922887
BaseRepresentation
bin11100010000110001110…
…011000100110101111101
320212200001111222111110001
4130100301303010311331
5223310021114044212
64044114415514301
7260213360325523
oct34206163046575
96780044874401
101942160690557
116897360945aa
122744a1828991
131111b6654409
146a002d64313
15357c02ce657
hex1c431cc4d7d

1942160690557 has 4 divisors (see below), whose sum is σ = 1942220645856. Its totient is φ = 1942100735260.

The previous prime is 1942160690549. The next prime is 1942160690579. The reversal of 1942160690557 is 7550960612491.

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 1942160690557 - 23 = 1942160690549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1942160690498 and 1942160690507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942160600557) 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, 29929033 + ... + 29993854.

It is an arithmetic number, because the mean of its divisors is an integer number (485555161464).

Almost surely, 21942160690557 is an apocalyptic number.

It is an amenable number.

1942160690557 is a deficient number, since it is larger than the sum of its proper divisors (59955299).

1942160690557 is an equidigital number, since it uses as much as digits as its factorization.

1942160690557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59955298.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 1942160690557 in words is "one trillion, nine hundred forty-two billion, one hundred sixty million, six hundred ninety thousand, five hundred fifty-seven".

Divisors: 1 32411 59922887 1942160690557