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158678106020 = 22573730632839
BaseRepresentation
bin1001001111000111110…
…0111011111110100100
3120011120112211222100122
42103301330323332210
510044433043343040
6200521250301112
714315122434620
oct2236174737644
9504515758318
10158678106020
11613277216a5
1226904b87798
1311c6a437435
147974134180
1541da8c51b5
hex24f1f3bfa4

158678106020 has 48 divisors (see below), whose sum is σ = 391120101120. Its totient is φ = 52933544064.

The previous prime is 158678106007. The next prime is 158678106053. The reversal of 158678106020 is 20601876851.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15311240 + ... + 15321599.

It is an arithmetic number, because the mean of its divisors is an integer number (8148335440).

Almost surely, 2158678106020 is an apocalyptic number.

158678106020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158678106020 is an abundant number, since it is smaller than the sum of its proper divisors (232441995100).

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

158678106020 is a wasteful number, since it uses less digits than its factorization.

158678106020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632892 (or 30632890 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 158678106020 in words is "one hundred fifty-eight billion, six hundred seventy-eight million, one hundred six thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 30632839 61265678 122531356 153164195 214429873 306328390 428859746 612656780 857719492 1072149365 1133415043 2144298730 2266830086 4288597460 4533660172 5667075215 7933905301 11334150430 15867810602 22668300860 31735621204 39669526505 79339053010 158678106020