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345452530230420 = 223539779144738233
BaseRepresentation
bin100111010001011111110111…
…1010110011110010010010100
31200022010221100210110021211020
41032202333233112132102110
5330234343240214333140
63222414411310241140
7132523056511016634
oct11642775726362224
91608127323407736
10345452530230420
11a0087660428018
12328b30214b61b0
1311a9b0593c6b42
146143dc522a6c4
1529e102e2386d0
hex13a2fef59e494

345452530230420 has 48 divisors (see below), whose sum is σ = 967291407351360. Its totient is φ = 92118358279936.

The previous prime is 345452530230419. The next prime is 345452530230427. The reversal of 345452530230420 is 24032035254543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345452530230427) 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, 69982377 + ... + 74755856.

It is an arithmetic number, because the mean of its divisors is an integer number (20151904319820).

Almost surely, 2345452530230420 is an apocalyptic number.

345452530230420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345452530230420 is an abundant number, since it is smaller than the sum of its proper divisors (621838877120940).

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

345452530230420 is a wasteful number, since it uses less digits than its factorization.

345452530230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144778024 (or 144778022 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 42.

Adding to 345452530230420 its reverse (24032035254543), we get a palindrome (369484565484963).

The spelling of 345452530230420 in words is "three hundred forty-five trillion, four hundred fifty-two billion, five hundred thirty million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 39779 79558 119337 159116 198895 238674 397790 477348 596685 795580 1193370 2386740 144738233 289476466 434214699 578952932 723691165 868429398 1447382330 1736858796 2171073495 2894764660 4342146990 8684293980 5757542170507 11515084341014 17272626511521 23030168682028 28787710852535 34545253023042 57575421705070 69090506046084 86363132557605 115150843410140 172726265115210 345452530230420