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244140140120 = 23515140420553
BaseRepresentation
bin1110001101011111100…
…0101110011001011000
3212100011112202010112212
43203113320232121120
512444444333440440
6304053442254252
723432006644112
oct3432770563130
9770145663485
10244140140120
11945a2820848
123b396057388
131a03a04c196
14bb604823b2
15653d664465
hex38d7e2e658

244140140120 has 32 divisors (see below), whose sum is σ = 552953178720. Its totient is φ = 97009324800.

The previous prime is 244140140033. The next prime is 244140140129. The reversal of 244140140120 is 21041041442.

It is a super-2 number, since 2×2441401401202 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244140140129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20204237 + ... + 20216316.

It is an arithmetic number, because the mean of its divisors is an integer number (17279786835).

Almost surely, 2244140140120 is an apocalyptic number.

244140140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244140140120 is an abundant number, since it is smaller than the sum of its proper divisors (308813038600).

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

244140140120 is a wasteful number, since it uses less digits than its factorization.

244140140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40420715 (or 40420711 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 244140140120 its reverse (21041041442), we get a palindrome (265181181562).

The spelling of 244140140120 in words is "two hundred forty-four billion, one hundred forty million, one hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 151 302 604 755 1208 1510 3020 6040 40420553 80841106 161682212 202102765 323364424 404205530 808411060 1616822120 6103503503 12207007006 24414014012 30517517515 48828028024 61035035030 122070070060 244140140120