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243102430452 = 22374194175013
BaseRepresentation
bin1110001001101000001…
…0001011010011110100
3212020111020010000111110
43202122002023103310
512440333210233302
6303402452435020
723364206364360
oct3423202132364
9766436100443
10243102430452
119410aa91152
123b146618a70
1319c0306aaab
14baa271a2a0
1564cc4d4b6c
hex389a08b4f4

243102430452 has 96 divisors (see below), whose sum is σ = 664799272704. Its totient is φ = 67690828800.

The previous prime is 243102430429. The next prime is 243102430463. The reversal of 243102430452 is 254034201342.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3203298 + ... + 3278310.

It is an arithmetic number, because the mean of its divisors is an integer number (6924992424).

Almost surely, 2243102430452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243102430452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332399636352).

243102430452 is an abundant number, since it is smaller than the sum of its proper divisors (421696842252).

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

243102430452 is a wasteful number, since it uses less digits than its factorization.

243102430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76009 (or 76007 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243102430452 its reverse (254034201342), we get a palindrome (497136631794).

The spelling of 243102430452 in words is "two hundred forty-three billion, one hundred two million, four hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 82 84 123 164 246 287 492 574 861 941 1148 1722 1882 2823 3444 3764 5646 6587 11292 13174 19761 26348 38581 39522 75013 77162 79044 115743 150026 154324 225039 231486 270067 300052 450078 462972 525091 540134 810201 900156 1050182 1080268 1575273 1620402 2100364 3075533 3150546 3240804 6151066 6301092 9226599 12302132 18453198 21528731 36906396 43057462 64586193 70587233 86114924 129172386 141174466 211761699 258344772 282348932 423523398 494110631 847046796 988221262 1482331893 1976442524 2894076553 2964663786 5788153106 5929327572 8682229659 11576306212 17364459318 20258535871 34728918636 40517071742 60775607613 81034143484 121551215226 243102430452