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157285715873 = 11134273257407
BaseRepresentation
bin1001001001111011110…
…1011000111110100001
3120000222111211020011012
42102132331120332201
510034110120401443
6200131150430305
714235454345256
oct2223675307641
9500874736135
10157285715873
1160782760340
1226596802395
1311aa7b21640
14788124342d
154158535118
hex249ef58fa1

157285715873 has 16 divisors (see below), whose sum is σ = 184827181056. Its totient is φ = 131956611840.

The previous prime is 157285715857. The next prime is 157285715897. The reversal of 157285715873 is 378517582751.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 157285715873 - 24 = 157285715857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157285715803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482336 + ... + 739742.

It is an arithmetic number, because the mean of its divisors is an integer number (11551698816).

Almost surely, 2157285715873 is an apocalyptic number.

157285715873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157285715873 is a deficient number, since it is larger than the sum of its proper divisors (27541465183).

157285715873 is a wasteful number, since it uses less digits than its factorization.

157285715873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261704.

The product of its digits is 16464000, while the sum is 59.

The spelling of 157285715873 in words is "one hundred fifty-seven billion, two hundred eighty-five million, seven hundred fifteen thousand, eight hundred seventy-three".

Divisors: 1 11 13 143 4273 47003 55549 257407 611039 2831477 3346291 36809201 1099900111 12098901221 14298701443 157285715873