Search a number
-
+
30553581100 = 22527349112503
BaseRepresentation
bin11100011101001000…
…101010011000101100
32220212022221201212211
4130131020222120230
51000033204043400
622011445140204
72131101103630
oct343510523054
986768851784
1030553581100
1111a59777779
125b083ba664
132b5bc8a593
14169bb8adc0
15bdc527dba
hex71d22a62c

30553581100 has 72 divisors (see below), whose sum is σ = 75800648448. Its totient is φ = 10471675200.

The previous prime is 30553581067. The next prime is 30553581101. The reversal of 30553581100 is 118535503.

It is not an unprimeable number, because it can be changed into a prime (30553581101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2437449 + ... + 2449951.

It is an arithmetic number, because the mean of its divisors is an integer number (1052786784).

Almost surely, 230553581100 is an apocalyptic number.

It is an amenable number.

30553581100 is an abundant number, since it is smaller than the sum of its proper divisors (45247067348).

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

30553581100 is a wasteful number, since it uses less digits than its factorization.

30553581100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015 (or 16008 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 30553581100 in words is "thirty billion, five hundred fifty-three million, five hundred eighty-one thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 3491 6982 12503 13964 17455 24437 25006 34910 48874 50012 62515 69820 87275 87521 97748 122185 125030 174550 175042 244370 250060 312575 349100 350084 437605 488740 610925 625150 875210 1221850 1250300 1750420 2188025 2443700 4376050 8752100 43647973 87295946 174591892 218239865 305535811 436479730 611071622 872959460 1091199325 1222143244 1527679055 2182398650 3055358110 4364797300 6110716220 7638395275 15276790550 30553581100