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3129426630 = 233511295789
BaseRepresentation
bin1011101010000111…
…0100001011000110
322002002120100022000
42322201310023012
522402113123010
61234310250130
7140356454541
oct27241641306
98062510260
103129426630
111366530600
12734056946
133ab45c045
14219897858
15134b0c7c0
hexba8742c6

3129426630 has 96 divisors (see below), whose sum is σ = 9172850400. Its totient is φ = 758640960.

The previous prime is 3129426607. The next prime is 3129426631. The reversal of 3129426630 is 366249213.

3129426630 is a `hidden beast` number, since 3 + 12 + 9 + 4 + 2 + 6 + 630 = 666.

It is a super-2 number, since 2×31294266302 = 19586622065106313800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129426631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15225 + ... + 80564.

It is an arithmetic number, because the mean of its divisors is an integer number (95550525).

Almost surely, 23129426630 is an apocalyptic number.

3129426630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3129426630 is an abundant number, since it is smaller than the sum of its proper divisors (6043423770).

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

3129426630 is a wasteful number, since it uses less digits than its factorization.

3129426630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95827 (or 95810 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3129426630 is about 55941.2784087028. The cubic root of 3129426630 is about 1462.6988657913.

The spelling of 3129426630 in words is "three billion, one hundred twenty-nine million, four hundred twenty-six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 121 135 165 198 242 270 297 330 363 495 594 605 726 990 1089 1210 1485 1815 2178 2970 3267 3630 5445 6534 10890 16335 32670 95789 191578 287367 478945 574734 862101 957890 1053679 1436835 1724202 2107358 2586303 2873670 3161037 4310505 5172606 5268395 6322074 8621010 9483111 10536790 11590469 12931515 15805185 18966222 23180938 25863030 28449333 31610370 34771407 47415555 56898666 57952345 69542814 94831110 104314221 115904690 142246665 173857035 208628442 284493330 312942663 347714070 521571105 625885326 1043142210 1564713315 3129426630