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157225648382 = 21159953127103
BaseRepresentation
bin1001001001101101100…
…0010000000011111110
3120000211022210111001022
42102123120100003332
510033444231222012
6200121203144142
714234124650345
oct2223330200376
9500738714038
10157225648382
1160751863790
122657a675052
1311a9854ca4a
147877288b5c
15415311c472
hex249b6100fe

157225648382 has 32 divisors (see below), whose sum is σ = 261915586560. Its totient is φ = 70180640320.

The previous prime is 157225648357. The next prime is 157225648387. The reversal of 157225648382 is 283846522751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157225648387) 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 15 ways as a sum of consecutive naturals, for example, 1173443 + ... + 1300545.

It is an arithmetic number, because the mean of its divisors is an integer number (8184862080).

Almost surely, 2157225648382 is an apocalyptic number.

157225648382 is a deficient number, since it is larger than the sum of its proper divisors (104689938178).

157225648382 is a wasteful number, since it uses less digits than its factorization.

157225648382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128128.

The product of its digits is 6451200, while the sum is 53.

The spelling of 157225648382 in words is "one hundred fifty-seven billion, two hundred twenty-five million, six hundred forty-eight thousand, three hundred eighty-two".

Divisors: 1 2 11 22 59 118 649 953 1298 1906 10483 20966 56227 112454 127103 254206 618497 1236994 1398133 2796266 7499077 14998154 82489847 121129159 164979694 242258318 1332420749 2664841498 7146620381 14293240762 78612824191 157225648382