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157144285743 = 352381428581
BaseRepresentation
bin1001001001011010000…
…1111000001000101111
3120000121122200211111020
42102112201320020233
510033312414120433
6200105135225223
714232116250444
oct2222641701057
9500548624436
10157144285743
116070a941835
1226557378213
1311a84733383
14786a5499cb
15414ade9cb3
hex249687822f

157144285743 has 4 divisors (see below), whose sum is σ = 209525714328. Its totient is φ = 104762857160.

The previous prime is 157144285699. The next prime is 157144285817. The reversal of 157144285743 is 347582441751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347582441751 = 3115860813917.

It is a cyclic number.

It is not a de Polignac number, because 157144285743 - 213 = 157144277551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144285343) 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, 26190714288 + ... + 26190714293.

It is an arithmetic number, because the mean of its divisors is an integer number (52381428582).

Almost surely, 2157144285743 is an apocalyptic number.

157144285743 is a deficient number, since it is larger than the sum of its proper divisors (52381428585).

157144285743 is an equidigital number, since it uses as much as digits as its factorization.

157144285743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52381428584.

The product of its digits is 3763200, while the sum is 51.

The spelling of 157144285743 in words is "one hundred fifty-seven billion, one hundred forty-four million, two hundred eighty-five thousand, seven hundred forty-three".

Divisors: 1 3 52381428581 157144285743