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157155208563 = 3170930652469
BaseRepresentation
bin1001001001011100101…
…1100010110101110011
3120000122102020202210010
42102113023202311303
510033323213133223
6200110205310003
714232311142423
oct2222713426563
9500572222703
10157155208563
1160716022261
122655ab65303
1311a86a88c92
14786bb90483
15414bd56393
hex24972e2d73

157155208563 has 8 divisors (see below), whose sum is σ = 209662894800. Its totient is φ = 104708830688.

The previous prime is 157155208543. The next prime is 157155208709. The reversal of 157155208563 is 365802551751.

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 157155208563 - 25 = 157155208531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157155208543) 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, 15321108 + ... + 15331361.

It is an arithmetic number, because the mean of its divisors is an integer number (26207861850).

Almost surely, 2157155208563 is an apocalyptic number.

157155208563 is a deficient number, since it is larger than the sum of its proper divisors (52507686237).

157155208563 is a wasteful number, since it uses less digits than its factorization.

157155208563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30654181.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 157155208563 in words is "one hundred fifty-seven billion, one hundred fifty-five million, two hundred eight thousand, five hundred sixty-three".

Divisors: 1 3 1709 5127 30652469 91957407 52385069521 157155208563