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3105345330 = 233531419049
BaseRepresentation
bin1011100100010111…
…1100111100110010
322000102020212222000
42321011330330302
522324432022310
61232050154430
7136644666633
oct27105747462
98012225860
103105345330
1113539829aa
12727b82a16
133a647a059
142165c988a
151329524c0
hexb917cf32

3105345330 has 128 divisors (see below), whose sum is σ = 8757504000. Its totient is φ = 781747200.

The previous prime is 3105345323. The next prime is 3105345349. The reversal of 3105345330 is 335435013.

It is a happy number.

3105345330 is a `hidden beast` number, since 310 + 5 + 345 + 3 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3105345294 and 3105345303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 338646 + ... + 347694.

It is an arithmetic number, because the mean of its divisors is an integer number (68418000).

Almost surely, 23105345330 is an apocalyptic number.

3105345330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105345330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4378752000).

3105345330 is an abundant number, since it is smaller than the sum of its proper divisors (5652158670).

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

3105345330 is a wasteful number, since it uses less digits than its factorization.

3105345330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137 (or 9131 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 3105345330 is about 55725.6254339061. The cubic root of 3105345330 is about 1458.9373217194.

The spelling of 3105345330 in words is "three billion, one hundred five million, three hundred forty-five thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 31 41 45 54 62 82 90 93 123 135 155 186 205 246 270 279 310 369 410 465 558 615 738 837 930 1107 1230 1271 1395 1674 1845 2214 2542 2790 3690 3813 4185 5535 6355 7626 8370 9049 11070 11439 12710 18098 19065 22878 27147 34317 38130 45245 54294 57195 68634 81441 90490 114390 135735 162882 171585 244323 271470 280519 343170 371009 407205 488646 561038 742018 814410 841557 1113027 1221615 1402595 1683114 1855045 2226054 2443230 2524671 2805190 3339081 3710090 4207785 5049342 5565135 6678162 7574013 8415570 10017243 11130270 11501279 12623355 15148026 16695405 20034486 23002558 25246710 33390810 34503837 37870065 50086215 57506395 69007674 75740130 100172430 103511511 115012790 172519185 207023022 310534533 345038370 517557555 621069066 1035115110 1552672665 3105345330