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157310696227 = 1489710559891
BaseRepresentation
bin1001001010000001110…
…0101011101100100011
3120001001020211100202111
42102200130223230203
510034133014234402
6200133442100151
714236206566266
oct2224034535443
9501036740674
10157310696227
1160795872463
12265a304a657
1311ab0059909
1478846a6cdd
15415a81b9d7
hex24a072bb23

157310696227 has 4 divisors (see below), whose sum is σ = 157321271016. Its totient is φ = 157300121440.

The previous prime is 157310696159. The next prime is 157310696281. The reversal of 157310696227 is 722696013751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722696013751 = 3739193285909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157310696227 is a prime.

It is a super-3 number, since 3×1573106962273 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157310696287) 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, 5265049 + ... + 5294842.

It is an arithmetic number, because the mean of its divisors is an integer number (39330317754).

Almost surely, 2157310696227 is an apocalyptic number.

157310696227 is a deficient number, since it is larger than the sum of its proper divisors (10574789).

157310696227 is a wasteful number, since it uses less digits than its factorization.

157310696227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10574788.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 157310696227 in words is "one hundred fifty-seven billion, three hundred ten million, six hundred ninety-six thousand, two hundred twenty-seven".

Divisors: 1 14897 10559891 157310696227