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30334440235420 = 22516324194740771
BaseRepresentation
bin1101110010110110010011…
…00010001110000110011100
310222101221111022000000112001
412321123021202032012130
512433444413200013140
6144303241030052044
76250406464444306
oct671331142160634
9128357438000461
1030334440235420
119735844771a32
12349b0267aa024
1313c06aa512989
1476c2a2526976
15379105ce6e9a
hex1b96c988e19c

30334440235420 has 96 divisors (see below), whose sum is σ = 64428624158976. Its totient is φ = 11996321356800.

The previous prime is 30334440235403. The next prime is 30334440235427. The reversal of 30334440235420 is 2453204443303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30334440235420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30334440235427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743999635 + ... + 744040405.

It is an arithmetic number, because the mean of its divisors is an integer number (671131501656).

Almost surely, 230334440235420 is an apocalyptic number.

It is an amenable number.

30334440235420 is an abundant number, since it is smaller than the sum of its proper divisors (34094183923556).

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

30334440235420 is a wasteful number, since it uses less digits than its factorization.

30334440235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42131 (or 42129 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 30334440235420 its reverse (2453204443303), we get a palindrome (32787644678723).

The spelling of 30334440235420 in words is "thirty trillion, three hundred thirty-four billion, four hundred forty million, two hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163 241 326 482 652 815 947 964 1205 1630 1894 2410 3260 3788 4735 4820 9470 18940 39283 40771 78566 81542 154361 157132 163084 196415 203855 228227 308722 392830 407710 456454 617444 771805 785660 815420 912908 1141135 1543610 2282270 3087220 4564540 6645673 9825811 13291346 19651622 26582692 33228365 37201001 38610137 39303244 49129055 66456730 74402002 77220274 98258110 132913460 148804004 154440548 186005005 193050685 196516220 372010010 386101370 744020020 772202740 1601607193 3203214386 6293452331 6406428772 8008035965 9305043017 12586904662 16016071930 18610086034 25173809324 31467261655 32032143860 37220172068 46525215085 62934523310 93050430170 125869046620 186100860340 1516722011771 3033444023542 6066888047084 7583610058855 15167220117710 30334440235420