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42020330156 = 22719712833931
BaseRepresentation
bin100111001000100110…
…110101101010101100
311000110110122221110022
4213020212311222230
51142024201031111
631145345301312
73015205625120
oct471046655254
9130413587408
1042020330156
1116903420a92
128188634838
133c687c73ac
142068a39580
15115e0632db
hex9c89b5aac

42020330156 has 96 divisors (see below), whose sum is σ = 90049720320. Its totient is φ = 16756891200.

The previous prime is 42020330117. The next prime is 42020330161. The reversal of 42020330156 is 65103302024.

42020330156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10687511 + ... + 10691441.

It is an arithmetic number, because the mean of its divisors is an integer number (938017920).

Almost surely, 242020330156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42020330156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45024860160).

42020330156 is an abundant number, since it is smaller than the sum of its proper divisors (48029390164).

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

42020330156 is a wasteful number, since it uses less digits than its factorization.

42020330156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 42020330156 in words is "forty-two billion, twenty million, three hundred thirty thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 19 28 38 71 76 133 142 266 283 284 497 532 566 994 1132 1349 1981 1988 2698 3931 3962 5377 5396 7862 7924 9443 10754 15724 18886 20093 21508 27517 37639 37772 40186 55034 74689 75278 80372 110068 140651 149378 150556 279101 281302 298756 381767 522823 558202 562604 763534 1045646 1112473 1116404 1527068 1953707 2091292 2224946 2672369 3907414 4449892 5302919 5344738 7787311 7814828 10605838 10689476 15574622 21136987 21211676 31149244 37120433 42273974 74240866 78985583 84547948 147958909 148481732 157971166 295917818 315942332 552899081 591835636 1105798162 1500726077 2211596324 3001452154 6002904308 10505082539 21010165078 42020330156