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30498590980 = 225111322946567
BaseRepresentation
bin11100011001110110…
…111001000100000100
32220201111110221121201
4130121312321010010
5444430114402410
622002202352244
72126532513604
oct343166710404
986644427551
1030498590980
1111a307288a0
125ab1abb684
132b50775a50
141694754c04
15bd77b483a
hex719db9104

30498590980 has 96 divisors (see below), whose sum is σ = 75574275840. Its totient is φ = 10192366080.

The previous prime is 30498590963. The next prime is 30498591001. The reversal of 30498590980 is 8909589403.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 631657 + ... + 678223.

It is an arithmetic number, because the mean of its divisors is an integer number (787232040).

Almost surely, 230498590980 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 30498590980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37787137920).

30498590980 is an abundant number, since it is smaller than the sum of its proper divisors (45075684860).

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

30498590980 is a wasteful number, since it uses less digits than its factorization.

30498590980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46829 (or 46827 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 30498590980 in words is "thirty billion, four hundred ninety-eight million, five hundred ninety thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 229 260 286 458 572 715 916 1145 1430 2290 2519 2860 2977 4580 5038 5954 10076 11908 12595 14885 25190 29770 32747 46567 50380 59540 65494 93134 130988 163735 186268 232835 327470 465670 512237 605371 654940 931340 1024474 1210742 2048948 2421484 2561185 3026855 5122370 6053710 6659081 10244740 10663843 12107420 13318162 21327686 26636324 33295405 42655372 53319215 66590810 106638430 117302273 133181620 138629959 213276860 234604546 277259918 469209092 554519836 586511365 693149795 1173022730 1386299590 1524929549 2346045460 2772599180 3049859098 6099718196 7624647745 15249295490 30498590980