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1206242103340 = 225895521122743
BaseRepresentation
bin10001100011011001101…
…000011101000000101100
311021022112002022211000001
4101203121220131000230
5124230340434301330
62322050122314044
7153101542464031
oct21433150350054
94238462284001
101206242103340
1142562324778a
12175940058924
138999588ca91
144254d559388
152159cbe79ca
hex118d9a1d02c

1206242103340 has 48 divisors (see below), whose sum is σ = 2562055151040. Its totient is φ = 476985231360.

The previous prime is 1206242103337. The next prime is 1206242103349. The reversal of 1206242103340 is 433012426021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1206242103299 and 1206242103308.

It is not an unprimeable number, because it can be changed into a prime (1206242103349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9766009 + ... + 9888751.

It is an arithmetic number, because the mean of its divisors is an integer number (53376148980).

Almost surely, 21206242103340 is an apocalyptic number.

1206242103340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206242103340 is an abundant number, since it is smaller than the sum of its proper divisors (1355813047700).

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

1206242103340 is a wasteful number, since it uses less digits than its factorization.

1206242103340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128362 (or 128360 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1206242103340 its reverse (433012426021), we get a palindrome (1639254529361).

The spelling of 1206242103340 in words is "one trillion, two hundred six billion, two hundred forty-two million, one hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 5521 11042 22084 27605 55210 110420 122743 245486 490972 491369 613715 982738 1227430 1965476 2454860 2456845 4913690 9827380 10924127 21848254 43696508 54620635 109241270 218482540 677664103 1355328206 2710656412 3388320515 6776641030 13553282060 60312105167 120624210334 241248420668 301560525835 603121051670 1206242103340