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245230232540 = 22526249467123
BaseRepresentation
bin1110010001100011011…
…1000110001111011100
3212102222111221120020012
43210120313012033130
513004212414420130
6304353542542352
723501014404116
oct3443067061734
9772874846205
10245230232540
1195002089377
123b63b1379b8
131a181b41397
14bc251623b6
1565a41de995
hex3918dc63dc

245230232540 has 24 divisors (see below), whose sum is σ = 515004210000. Its totient is φ = 98088146048.

The previous prime is 245230232539. The next prime is 245230232587. The reversal of 245230232540 is 45232032542.

It is a junction number, because it is equal to n+sod(n) for n = 245230232497 and 245230232506.

It is a congruent number.

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, 291419 + ... + 758541.

It is an arithmetic number, because the mean of its divisors is an integer number (21458508750).

Almost surely, 2245230232540 is an apocalyptic number.

245230232540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245230232540 is an abundant number, since it is smaller than the sum of its proper divisors (269773977460).

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

245230232540 is a wasteful number, since it uses less digits than its factorization.

245230232540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493381 (or 493379 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

It can be divided in two parts, 2452302 and 32540, that added together give a palindrome (2484842).

The spelling of 245230232540 in words is "two hundred forty-five billion, two hundred thirty million, two hundred thirty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 26249 52498 104996 131245 262490 467123 524980 934246 1868492 2335615 4671230 9342460 12261511627 24523023254 49046046508 61307558135 122615116270 245230232540