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352172202049 = 2671131850319
BaseRepresentation
bin1010001111111110001…
…10010101100001000001
31020200000111010111101201
411013333012111201001
521232222040431144
6425441412301201
734305104216563
oct5077706254101
91220014114351
10352172202049
111263a0032958
1258305911801
1327295919395
141308c155333
159262ace1d4
hex51ff195841

352172202049 has 4 divisors (see below), whose sum is σ = 352304055040. Its totient is φ = 352040349060.

The previous prime is 352172202043. The next prime is 352172202061. The reversal of 352172202049 is 940202271253.

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, and also an emirpimes, since its reverse is a distinct semiprime: 940202271253 = 7134314610179.

It is a cyclic number.

It is not a de Polignac number, because 352172202049 - 25 = 352172202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352172201999 and 352172202017.

It is not an unprimeable number, because it can be changed into a prime (352172202043) 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 3 ways as a sum of consecutive naturals, for example, 65922489 + ... + 65927830.

It is an arithmetic number, because the mean of its divisors is an integer number (88076013760).

Almost surely, 2352172202049 is an apocalyptic number.

It is an amenable number.

352172202049 is a deficient number, since it is larger than the sum of its proper divisors (131852991).

352172202049 is a wasteful number, since it uses less digits than its factorization.

352172202049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131852990.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 352172202049 in words is "three hundred fifty-two billion, one hundred seventy-two million, two hundred two thousand, forty-nine".

Divisors: 1 2671 131850319 352172202049