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30117249580 = 225113121120929
BaseRepresentation
bin11100000011001000…
…001100001000101100
32212201220220210120011
4130003020030020230
5443140003441310
621500301103004
72114222253235
oct340310141054
985656823504
1030117249580
1111855447410
125a06257a64
132abc768152
141659c4a08c
15bb408978a
hex70320c22c

30117249580 has 96 divisors (see below), whose sum is σ = 71562516480. Its totient is φ = 10547712000.

The previous prime is 30117249571. The next prime is 30117249647. The reversal of 30117249580 is 8594271103.

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, 1428556 + ... + 1449484.

It is an arithmetic number, because the mean of its divisors is an integer number (745442880).

Almost surely, 230117249580 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 30117249580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35781258240).

30117249580 is an abundant number, since it is smaller than the sum of its proper divisors (41445266900).

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

30117249580 is a wasteful number, since it uses less digits than its factorization.

30117249580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191 (or 21189 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 30117249580 in words is "thirty billion, one hundred seventeen million, two hundred forty-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 211 220 310 341 422 620 682 844 1055 1364 1705 2110 2321 3410 4220 4642 6541 6820 9284 11605 13082 20929 23210 26164 32705 41858 46420 65410 71951 83716 104645 130820 143902 209290 230219 287804 359755 418580 460438 648799 719510 920876 1151095 1297598 1439020 2302190 2595196 3243995 4416019 4604380 6487990 7136789 8832038 12975980 14273578 17664076 22080095 28547156 35683945 44160190 48576209 71367890 88320380 97152418 136896589 142735780 194304836 242881045 273793178 485762090 547586356 684482945 971524180 1368965890 1505862479 2737931780 3011724958 6023449916 7529312395 15058624790 30117249580