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231202041244340 = 22583613812269079
BaseRepresentation
bin110100100100011011101011…
…100010100010101010110100
31010022121200212202222212212012
4310210123223202202222310
5220301003240024304330
62135420430152143352
766461540054011535
oct6444335342425264
91108550782885765
10231202041244340
1167739264948591
1221b20607997b58
139c01349b711ca
14411434a64c68c
151bae167d61c95
hexd246eb8a2ab4

231202041244340 has 48 divisors (see below), whose sum is σ = 491382198679680. Its totient is φ = 91365061011840.

The previous prime is 231202041244327. The next prime is 231202041244367. The reversal of 231202041244340 is 43442140202132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231202041244297 and 231202041244306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100757921 + ... + 103026999.

It is an arithmetic number, because the mean of its divisors is an integer number (10237129139160).

Almost surely, 2231202041244340 is an apocalyptic number.

231202041244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231202041244340 is an abundant number, since it is smaller than the sum of its proper divisors (260180157435340).

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

231202041244340 is a wasteful number, since it uses less digits than its factorization.

231202041244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330552 (or 2330550 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 231202041244340 its reverse (43442140202132), we get a palindrome (274644181446472).

The spelling of 231202041244340 in words is "two hundred thirty-one trillion, two hundred two billion, forty-one million, two hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 61381 122762 245524 306905 613810 1227620 2269079 4538158 5094623 9076316 10189246 11345395 20378492 22690790 25473115 45381580 50946230 101892460 188333557 376667114 753334228 941667785 1883335570 3766671140 139278338099 278556676198 557113352396 696391690495 1392783380990 2785566761980 11560102062217 23120204124434 46240408248868 57800510311085 115601020622170 231202041244340