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30849823092 = 2231117113121661
BaseRepresentation
bin11100101110110010…
…101111000101110100
32221121222101101111110
4130232302233011310
51001140023314332
622101110435020
72141326112124
oct345662570564
987558341443
1030849823092
11120a0a14770
125b8b662a70
132ba84709ba
1416c9262c84
15c085434cc
hex72ecaf174

30849823092 has 96 divisors (see below), whose sum is σ = 83882542464. Its totient is φ = 8720588800.

The previous prime is 30849823091. The next prime is 30849823097. The reversal of 30849823092 is 29032894803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30849823091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192742 + ... + 314402.

It is an arithmetic number, because the mean of its divisors is an integer number (873776484).

Almost surely, 230849823092 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 30849823092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41941271232).

30849823092 is an abundant number, since it is smaller than the sum of its proper divisors (53032719372).

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

30849823092 is a wasteful number, since it uses less digits than its factorization.

30849823092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121809 (or 121807 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 30849823092 in words is "thirty billion, eight hundred forty-nine million, eight hundred twenty-three thousand, ninety-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 113 132 187 204 226 339 374 452 561 678 748 1122 1243 1356 1921 2244 2486 3729 3842 4972 5763 7458 7684 11526 14916 21131 23052 42262 63393 84524 121661 126786 243322 253572 364983 486644 729966 1338271 1459932 2068237 2676542 4014813 4136474 5353084 6204711 8029626 8272948 12409422 13747693 16059252 22750607 24818844 27495386 41243079 45501214 54990772 68251821 82486158 91002428 136503642 151224623 164972316 233710781 273007284 302449246 453673869 467421562 604898492 701132343 907347738 934843124 1402264686 1814695476 2570818591 2804529372 5141637182 7712455773 10283274364 15424911546 30849823092