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2211210312040 = 235487113511823
BaseRepresentation
bin100000001011010110011…
…001111011100101101000
321211101112001022101120201
4200023112121323211220
5242212024314441130
64411452131001544
7315516565351402
oct40132631734550
97741461271521
102211210312040
11782850636384
122b8669a392b4
13130693235a82
1479047749b72
153c7ba6d5bca
hex202d667b968

2211210312040 has 32 divisors (see below), whose sum is σ = 4985439310080. Its totient is φ = 882667927872.

The previous prime is 2211210312023. The next prime is 2211210312049. The reversal of 2211210312040 is 402130121122.

It is a junction number, because it is equal to n+sod(n) for n = 2211210311999 and 2211210312017.

It is not an unprimeable number, because it can be changed into a prime (2211210312049) 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, 56736432 + ... + 56775391.

It is an arithmetic number, because the mean of its divisors is an integer number (155794978440).

Almost surely, 22211210312040 is an apocalyptic number.

2211210312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211210312040 is an abundant number, since it is smaller than the sum of its proper divisors (2774228998040).

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

2211210312040 is a wasteful number, since it uses less digits than its factorization.

2211210312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113512321 (or 113512317 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2211210312040 its reverse (402130121122), we get a palindrome (2613340433162).

The spelling of 2211210312040 in words is "two trillion, two hundred eleven billion, two hundred ten million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 487 974 1948 2435 3896 4870 9740 19480 113511823 227023646 454047292 567559115 908094584 1135118230 2270236460 4540472920 55280257801 110560515602 221121031204 276401289005 442242062408 552802578010 1105605156020 2211210312040