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42030324240 = 2435853920509
BaseRepresentation
bin100111001001001100…
…111101101000010000
311000111011110200202120
4213021030331220100
51142034230333430
631150343414240
73015356601312
oct471114755020
9130434420676
1042030324240
1116909027763
12818ba54380
133c6a8b6358
14206a0bb7b2
15115ed89610
hex9c933da10

42030324240 has 80 divisors (see below), whose sum is σ = 130315617600. Its totient is φ = 11206227456.

The previous prime is 42030324209. The next prime is 42030324253. The reversal of 42030324240 is 4242303024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42030324240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039106 + ... + 2059614.

It is an arithmetic number, because the mean of its divisors is an integer number (1628945220).

Almost surely, 242030324240 is an apocalyptic number.

42030324240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42030324240 is an abundant number, since it is smaller than the sum of its proper divisors (88285293360).

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

42030324240 is a wasteful number, since it uses less digits than its factorization.

42030324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29064 (or 29058 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42030324240 its reverse (4242303024), we get a palindrome (46272627264).

The spelling of 42030324240 in words is "forty-two billion, thirty million, three hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 8539 17078 20509 25617 34156 41018 42695 51234 61527 68312 82036 85390 102468 102545 123054 128085 136624 164072 170780 204936 205090 246108 256170 307635 328144 341560 409872 410180 492216 512340 615270 683120 820360 984432 1024680 1230540 1640720 2049360 2461080 4922160 175126351 350252702 525379053 700505404 875631755 1050758106 1401010808 1751263510 2101516212 2626895265 2802021616 3502527020 4203032424 5253790530 7005054040 8406064848 10507581060 14010108080 21015162120 42030324240