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30220231120 = 2451953375127
BaseRepresentation
bin11100001001010001…
…000010000111010000
32220000002200210200021
4130021101002013100
5443342334343440
621514420233224
72116612504042
oct341121020720
986002623607
1030220231120
11118a8594a22
125a3483b814
132b07bb3a81
1416697b5a92
15bbd12c84a
hex7094421d0

30220231120 has 80 divisors (see below), whose sum is σ = 75355712640. Its totient is φ = 11235773952.

The previous prime is 30220231103. The next prime is 30220231121. The reversal of 30220231120 is 2113202203.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30220231094 and 30220231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220231121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107004 + ... + 268123.

It is an arithmetic number, because the mean of its divisors is an integer number (941946408).

Almost surely, 230220231120 is an apocalyptic number.

It is an amenable number.

30220231120 is an abundant number, since it is smaller than the sum of its proper divisors (45135481520).

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

30220231120 is a wasteful number, since it uses less digits than its factorization.

30220231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375212 (or 375206 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30220231120 its reverse (2113202203), we get a palindrome (32333433323).

The spelling of 30220231120 in words is "thirty billion, two hundred twenty million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 53 76 80 95 106 152 190 212 265 304 380 424 530 760 848 1007 1060 1520 2014 2120 4028 4240 5035 8056 10070 16112 20140 40280 80560 375127 750254 1500508 1875635 3001016 3751270 6002032 7127413 7502540 14254826 15005080 19881731 28509652 30010160 35637065 39763462 57019304 71274130 79526924 99408655 114038608 142548260 159053848 198817310 285096520 318107696 377752889 397634620 570193040 755505778 795269240 1511011556 1590538480 1888764445 3022023112 3777528890 6044046224 7555057780 15110115560 30220231120