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157739844845 = 51121371342067
BaseRepresentation
bin1001001011101000000…
…1110000010011101101
3120002011011100100222202
42102322001300103231
510041022400013340
6200244212151245
714252640362402
oct2227201602355
9502134310882
10157739844845
1160996037140
12266a2908525
1311b4ac357cb
1478c56982a9
15418333bc15
hex24ba0704ed

157739844845 has 16 divisors (see below), whose sum is σ = 206592579648. Its totient is φ = 114666119040.

The previous prime is 157739844791. The next prime is 157739844853. The reversal of 157739844845 is 548448937751.

It is not a de Polignac number, because 157739844845 - 224 = 157723067629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 553499 + ... + 788568.

It is an arithmetic number, because the mean of its divisors is an integer number (12912036228).

Almost surely, 2157739844845 is an apocalyptic number.

It is an amenable number.

157739844845 is a deficient number, since it is larger than the sum of its proper divisors (48852734803).

157739844845 is a wasteful number, since it uses less digits than its factorization.

157739844845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344220.

The product of its digits is 135475200, while the sum is 65.

The spelling of 157739844845 in words is "one hundred fifty-seven billion, seven hundred thirty-nine million, eight hundred forty-four thousand, eight hundred forty-five".

Divisors: 1 5 11 55 2137 10685 23507 117535 1342067 6710335 14762737 73813685 2867997179 14339985895 31547968969 157739844845