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23340013240 = 23510113144101
BaseRepresentation
bin10101101111001011…
…000101011010111000
32020020121100112001211
4111233023011122320
5340300020410430
614420001252504
71454246560555
oct255713053270
966217315054
1023340013240
119997913445
124634634134
13227c65982b
1411b5b19a2c
159190c472a
hex56f2c56b8

23340013240 has 64 divisors (see below), whose sum is σ = 53441039520. Its totient is φ = 9172800000.

The previous prime is 23340013217. The next prime is 23340013259. The reversal of 23340013240 is 4231004332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507190 + ... + 551290.

Almost surely, 223340013240 is an apocalyptic number.

23340013240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23340013240 is an abundant number, since it is smaller than the sum of its proper divisors (30101026280).

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

23340013240 is a wasteful number, since it uses less digits than its factorization.

23340013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44344 (or 44340 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23340013240 its reverse (4231004332), we get a palindrome (27571017572).

The spelling of 23340013240 in words is "twenty-three billion, three hundred forty million, thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 101 131 202 262 404 505 524 655 808 1010 1048 1310 2020 2620 4040 5240 13231 26462 44101 52924 66155 88202 105848 132310 176404 220505 264620 352808 441010 529240 882020 1764040 4454201 5777231 8908402 11554462 17816804 22271005 23108924 28886155 35633608 44542010 46217848 57772310 89084020 115544620 178168040 231089240 583500331 1167000662 2334001324 2917501655 4668002648 5835003310 11670006620 23340013240