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157029493289 = 1716755311551
BaseRepresentation
bin1001001000111110101…
…1111110101000101001
3120000022122200202211212
42102033223332220221
510033044022241124
6200045515002505
714226223445534
oct2221753765051
9500278622755
10157029493289
1160661067539
1226524a39435
1311a66a10846
1478591c7a1b
154140cc240e
hex248fafea29

157029493289 has 8 divisors (see below), whose sum is σ = 167262133248. Its totient is φ = 146907476800.

The previous prime is 157029493273. The next prime is 157029493321. The reversal of 157029493289 is 982394920751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157029493289 - 24 = 157029493273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157029493589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27652937 + ... + 27658614.

It is an arithmetic number, because the mean of its divisors is an integer number (20907766656).

Almost surely, 2157029493289 is an apocalyptic number.

It is an amenable number.

157029493289 is a deficient number, since it is larger than the sum of its proper divisors (10232639959).

157029493289 is a wasteful number, since it uses less digits than its factorization.

157029493289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55311735.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 157029493289 in words is "one hundred fifty-seven billion, twenty-nine million, four hundred ninety-three thousand, two hundred eighty-nine".

Divisors: 1 17 167 2839 55311551 940296367 9237029017 157029493289