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157401705185 = 51031987153817
BaseRepresentation
bin1001001010010111011…
…1110110101011100001
3120001021121002002120122
42102211313312223201
510034324314031220
6200150452450025
714241363263444
oct2224567665341
9501247062518
10157401705185
116083218287a
1226609619915
1311ac5b72b7a
1478927d765b
1541637e7425
hex24a5df6ae1

157401705185 has 16 divisors (see below), whose sum is σ = 190813074816. Its totient is φ = 124635259008.

The previous prime is 157401705163. The next prime is 157401705211. The reversal of 157401705185 is 581507104751.

It is a cyclic number.

It is not a de Polignac number, because 157401705185 - 218 = 157401443041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946397 + ... + 1100213.

It is an arithmetic number, because the mean of its divisors is an integer number (11925817176).

Almost surely, 2157401705185 is an apocalyptic number.

It is an amenable number.

157401705185 is a deficient number, since it is larger than the sum of its proper divisors (33411369631).

157401705185 is a wasteful number, since it uses less digits than its factorization.

157401705185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155912.

The product of its (nonzero) digits is 196000, while the sum is 44.

The spelling of 157401705185 in words is "one hundred fifty-seven billion, four hundred one million, seven hundred five thousand, one hundred eighty-five".

Divisors: 1 5 103 515 1987 9935 153817 204661 769085 1023305 15843151 79215755 305634379 1528171895 31480341037 157401705185