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3103222020 = 223564180687
BaseRepresentation
bin1011100011110111…
…0110100100000100
322000021021000022220
42320331312210010
522323411101040
61231532452340
7136620644343
oct27075664404
98007230286
103103222020
1113527626a8
1272731a0b0
133a5bb5762
142161d5b5a
151326832d0
hexb8f76904

3103222020 has 48 divisors (see below), whose sum is σ = 8702684928. Its totient is φ = 826224640.

The previous prime is 3103221991. The next prime is 3103222021. The reversal of 3103222020 is 202223013.

3103222020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3103222021) 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, 1884 + ... + 78803.

It is an arithmetic number, because the mean of its divisors is an integer number (181305936).

Almost surely, 23103222020 is an apocalyptic number.

3103222020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103222020 is an abundant number, since it is smaller than the sum of its proper divisors (5599462908).

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

3103222020 is a wasteful number, since it uses less digits than its factorization.

3103222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81340 (or 81338 counting only the distinct ones).

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

The square root of 3103222020 is about 55706.5707075925. The cubic root of 3103222020 is about 1458.6047250526.

Adding to 3103222020 its reverse (202223013), we get a palindrome (3305445033).

The spelling of 3103222020 in words is "three billion, one hundred three million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 641 1282 1923 2564 3205 3846 6410 7692 9615 12820 19230 38460 80687 161374 242061 322748 403435 484122 806870 968244 1210305 1613740 2420610 4841220 51720367 103440734 155161101 206881468 258601835 310322202 517203670 620644404 775805505 1034407340 1551611010 3103222020