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3103285020 = 22351143310859
BaseRepresentation
bin1011100011111000…
…0101111100011100
322000021101012202020
42320332011330130
522323420110040
61231534100140
7136621326123
oct27076057434
98007335666
103103285020
1113527a5a70
1272734a650
133a5c08334
14216210aba
15132696cd0
hexb8f85f1c

3103285020 has 96 divisors (see below), whose sum is σ = 9501891840. Its totient is φ = 750504960.

The previous prime is 3103284971. The next prime is 3103285033. The reversal of 3103285020 is 205823013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280351 + ... + 291209.

It is an arithmetic number, because the mean of its divisors is an integer number (98978040).

Almost surely, 23103285020 is an apocalyptic number.

3103285020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103285020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4750945920).

3103285020 is an abundant number, since it is smaller than the sum of its proper divisors (6398606820).

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

3103285020 is a wasteful number, since it uses less digits than its factorization.

3103285020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315 (or 11313 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3103285020 is about 55707.1361676401. The cubic root of 3103285020 is about 1458.6145955974.

The spelling of 3103285020 in words is "three billion, one hundred three million, two hundred eighty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 433 660 866 1299 1732 2165 2598 4330 4763 5196 6495 8660 9526 10859 12990 14289 19052 21718 23815 25980 28578 32577 43436 47630 54295 57156 65154 71445 95260 108590 119449 130308 142890 162885 217180 238898 285780 325770 358347 477796 597245 651540 716694 1194490 1433388 1791735 2388980 3583470 4701947 7166940 9403894 14105841 18807788 23509735 28211682 47019470 51721417 56423364 70529205 94038940 103442834 141058410 155164251 206885668 258607085 282116820 310328502 517214170 620657004 775821255 1034428340 1551642510 3103285020