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30220322100 = 22352313249497
BaseRepresentation
bin11100001001010001…
…011000010100110100
32220000002212102110220
4130021101120110310
5443342400301400
621514422214340
72116613333223
oct341121302464
986002772426
1030220322100
11118a8647311
125a348843b0
132b07c162c7
1416697dacba
15bbd1497a0
hex709458534

30220322100 has 72 divisors (see below), whose sum is σ = 90258056448. Its totient is φ = 7798790400.

The previous prime is 30220322089. The next prime is 30220322123. The reversal of 30220322100 is 122302203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30220322100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1615449 + ... + 1634048.

Almost surely, 230220322100 is an apocalyptic number.

30220322100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220322100 is an abundant number, since it is smaller than the sum of its proper divisors (60037734348).

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

30220322100 is a wasteful number, since it uses less digits than its factorization.

30220322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249545 (or 3249538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220322100 its reverse (122302203), we get a palindrome (30342624303).

The spelling of 30220322100 in words is "thirty billion, two hundred twenty million, three hundred twenty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 31 50 60 62 75 93 100 124 150 155 186 300 310 372 465 620 775 930 1550 1860 2325 3100 4650 9300 3249497 6498994 9748491 12997988 16247485 19496982 32494970 38993964 48742455 64989940 81237425 97484910 100734407 162474850 194969820 201468814 243712275 302203221 324949700 402937628 487424550 503672035 604406442 974849100 1007344070 1208812884 1511016105 2014688140 2518360175 3022032210 5036720350 6044064420 7555080525 10073440700 15110161050 30220322100