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157734417253 = 7293267128793
BaseRepresentation
bin1001001011100110110…
…1000011001101100101
3120002010210010121201211
42102321231003031211
510041020002323003
6200243455551421
714252543265460
oct2227155031545
9502123117654
10157734417253
1160992a6a326
12266a0b2b571
1311b49a8520a
1478c4a842d7
154182b1896d
hex24b9b43365

157734417253 has 16 divisors (see below), whose sum is σ = 180957159936. Its totient is φ = 134684369280.

The previous prime is 157734417221. The next prime is 157734417271. The reversal of 157734417253 is 352714437751.

157734417253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 157734417253 - 25 = 157734417221 is a prime.

It is a super-2 number, since 2×1577344172532 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157734417197 and 157734417206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157734417553) 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 15 ways as a sum of consecutive naturals, for example, 5463825 + ... + 5492617.

It is an arithmetic number, because the mean of its divisors is an integer number (11309822496).

Almost surely, 2157734417253 is an apocalyptic number.

It is an amenable number.

157734417253 is a deficient number, since it is larger than the sum of its proper divisors (23222742683).

157734417253 is a wasteful number, since it uses less digits than its factorization.

157734417253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31764.

The product of its digits is 2469600, while the sum is 49.

The spelling of 157734417253 in words is "one hundred fifty-seven billion, seven hundred thirty-four million, four hundred seventeen thousand, two hundred fifty-three".

Divisors: 1 7 293 2051 2671 18697 28793 201551 782603 5478221 8436349 59054443 76906103 538342721 22533488179 157734417253