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201044024240 = 2452986656907
BaseRepresentation
bin1011101100111100101…
…0000101101110110000
3201012221002210121111212
42323033022011232300
511243214232233430
6232205223055252
720345026003313
oct2731712055660
9635832717455
10201044024240
1178298124054
1232b692a1528
1315c5c7017b7
149a32a0c97a
155369e4eb95
hex2ecf285bb0

201044024240 has 40 divisors (see below), whose sum is σ = 483545546640. Its totient is φ = 77644587776.

The previous prime is 201044024239. The next prime is 201044024261. The reversal of 201044024240 is 42420440102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2010440242402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43326134 + ... + 43330773.

It is an arithmetic number, because the mean of its divisors is an integer number (12088638666).

Almost surely, 2201044024240 is an apocalyptic number.

201044024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044024240 is an abundant number, since it is smaller than the sum of its proper divisors (282501522400).

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

201044024240 is a wasteful number, since it uses less digits than its factorization.

201044024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86656949 (or 86656943 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 201044024240 its reverse (42420440102), we get a palindrome (243464464342).

The spelling of 201044024240 in words is "two hundred one billion, forty-four million, twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 86656907 173313814 346627628 433284535 693255256 866569070 1386510512 1733138140 2513050303 3466276280 5026100606 6932552560 10052201212 12565251515 20104402424 25130503030 40208804848 50261006060 100522012120 201044024240