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1012300220 = 22561981769
BaseRepresentation
bin111100010101100…
…111100110111100
32121112211011211202
4330111213212330
54033122101340
6244241035032
734041260411
oct7425474674
92545734752
101012300220
1147a465158
12243025a78
13131955a19
1498630108
155dd10c15
hex3c5679bc

1012300220 has 24 divisors (see below), whose sum is σ = 2129290800. Its totient is φ = 404260992.

The previous prime is 1012300199. The next prime is 1012300301. The reversal of 1012300220 is 220032101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28505 + ... + 53264.

It is an arithmetic number, because the mean of its divisors is an integer number (88720450).

Almost surely, 21012300220 is an apocalyptic number.

1012300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012300220 is an abundant number, since it is smaller than the sum of its proper divisors (1116990580).

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

1012300220 is a wasteful number, since it uses less digits than its factorization.

1012300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82397 (or 82395 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1012300220 is about 31816.6657586869. The cubic root of 1012300220 is about 1004.0833766729.

Adding to 1012300220 its reverse (220032101), we get a palindrome (1232332321).

The spelling of 1012300220 in words is "one billion, twelve million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 619 1238 2476 3095 6190 12380 81769 163538 327076 408845 817690 1635380 50615011 101230022 202460044 253075055 506150110 1012300220