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157174032011 = 791989544709
BaseRepresentation
bin1001001001100001001…
…1010110011010001011
3120000200201200002200212
42102120103112122023
510033343023011021
6200112120551335
714232630141323
oct2223023263213
9500621602625
10157174032011
1160725709627
122656532254b
1311a8a949a09
147870490283
15414d82385b
hex24984d668b

157174032011 has 4 divisors (see below), whose sum is σ = 159163576800. Its totient is φ = 155184487224.

The previous prime is 157174031983. The next prime is 157174032079. The reversal of 157174032011 is 110230471751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110230471751 = 499220902749.

It is a cyclic number.

It is not a de Polignac number, because 157174032011 - 218 = 157173769867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157174032091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994772276 + ... + 994772433.

It is an arithmetic number, because the mean of its divisors is an integer number (39790894200).

Almost surely, 2157174032011 is an apocalyptic number.

157174032011 is a deficient number, since it is larger than the sum of its proper divisors (1989544789).

157174032011 is an equidigital number, since it uses as much as digits as its factorization.

157174032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989544788.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 157174032011 in words is "one hundred fifty-seven billion, one hundred seventy-four million, thirty-two thousand, eleven".

Divisors: 1 79 1989544709 157174032011