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157142887143 = 311231414314639
BaseRepresentation
bin1001001001011001110…
…0100010101011100111
3120000121120001202222020
42102112130202223213
510033312034342033
6200105045234223
714232101334054
oct2222634425347
9500546052866
10157142887143
116070a076a70
1226556a02973
1311a843638b8
14786a2a402b
15414ac206b3
hex2496722ae7

157142887143 has 32 divisors (see below), whose sum is σ = 238542520320. Its totient is φ = 91084662240.

The previous prime is 157142887133. The next prime is 157142887159. The reversal of 157142887143 is 341788241751.

157142887143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157142887143 - 212 = 157142883047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157142887103) 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 31 ways as a sum of consecutive naturals, for example, 10727218 + ... + 10741856.

It is an arithmetic number, because the mean of its divisors is an integer number (7454453760).

Almost surely, 2157142887143 is an apocalyptic number.

157142887143 is a deficient number, since it is larger than the sum of its proper divisors (81399633177).

157142887143 is a wasteful number, since it uses less digits than its factorization.

157142887143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28819.

The product of its digits is 1505280, while the sum is 51.

The spelling of 157142887143 in words is "one hundred fifty-seven billion, one hundred forty-two million, eight hundred eighty-seven thousand, one hundred forty-three".

Divisors: 1 3 11 23 33 69 253 759 14143 14639 42429 43917 155573 161029 325289 336697 466719 483087 975867 1010091 3578179 3703667 10734537 11111001 207039377 621118131 2277433147 4761905671 6832299441 14285717013 52380962381 157142887143