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159443997692 = 22730739194733
BaseRepresentation
bin1001010001111110011…
…0100101001111111100
3120020112221000022012212
42110133212211033330
510103020130411232
6201125250115552
714343112422140
oct2243746451774
9506487008185
10159443997692
116168aa86421
1226a9957bbb8
1312060007385
147a07b41220
154232c60eb2
hex251f9a53fc

159443997692 has 48 divisors (see below), whose sum is σ = 320075965440. Its totient is φ = 68078791872.

The previous prime is 159443997673. The next prime is 159443997709. The reversal of 159443997692 is 296799344951.

It is a congruent 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, 33685358 + ... + 33690090.

It is an arithmetic number, because the mean of its divisors is an integer number (6668249280).

Almost surely, 2159443997692 is an apocalyptic number.

It is an amenable number.

159443997692 is an abundant number, since it is smaller than the sum of its proper divisors (160631967748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159443997692 is a wasteful number, since it uses less digits than its factorization.

159443997692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970 (or 8968 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 68.

The spelling of 159443997692 in words is "one hundred fifty-nine billion, four hundred forty-three million, nine hundred ninety-seven thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 307 614 1228 2149 3919 4298 4733 7838 8596 9466 15676 18932 27433 33131 54866 66262 109732 132524 1203133 1453031 2406266 2906062 4812532 5812124 8421931 10171217 16843862 18548627 20342434 33687724 37097254 40684868 74194508 129840389 259680778 519361556 5694428489 11388856978 22777713956 39860999423 79721998846 159443997692