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3020000311220 = 225151000015561
BaseRepresentation
bin101011111100100110000…
…010111011011110110100
3101200201011000101100121112
4223330212002323132310
5343434430034424340
610231211411334152
7431121265045244
oct53744602733664
911621130340545
103020000311220
11a64858498602
12409367bb1358
1318ba282b6399
14a625125db24
1553855522065
hex2bf260bb7b4

3020000311220 has 12 divisors (see below), whose sum is σ = 6342000653604. Its totient is φ = 1208000124480.

The previous prime is 3020000311217. The next prime is 3020000311231. The reversal of 3020000311220 is 221130000203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1159209675556 + 1860790635664 = 1076666^2 + 1364108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3020000311195 and 3020000311204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75500007761 + ... + 75500007800.

It is an arithmetic number, because the mean of its divisors is an integer number (528500054467).

Almost surely, 23020000311220 is an apocalyptic number.

It is an amenable number.

3020000311220 is an abundant number, since it is smaller than the sum of its proper divisors (3322000342384).

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

3020000311220 is a wasteful number, since it uses less digits than its factorization.

3020000311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151000015570 (or 151000015568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 3020000311220 its reverse (221130000203), we get a palindrome (3241130311423).

The spelling of 3020000311220 in words is "three trillion, twenty billion, three hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 151000015561 302000031122 604000062244 755000077805 1510000155610 3020000311220