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243520153156 = 22731494432689
BaseRepresentation
bin1110001011001011101…
…1101010011001000100
3212021120100010112022201
43202302323222121010
512442212124400111
6303512134004244
723410441102000
oct3426273523104
9767510115281
10243520153156
1194304861425
123b2424a6684
1319c6b7760a7
14bb01db5700
156503ee96c1
hex38b2eea644

243520153156 has 96 divisors (see below), whose sum is σ = 501631200000. Its totient is φ = 103392866304.

The previous prime is 243520153103. The next prime is 243520153159. The reversal of 243520153156 is 651351025342.

243520153156 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243520153159) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 90560260 + ... + 90562948.

It is an arithmetic number, because the mean of its divisors is an integer number (5225325000).

Almost surely, 2243520153156 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 243520153156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250815600000).

243520153156 is an abundant number, since it is smaller than the sum of its proper divisors (258111046844).

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

243520153156 is a wasteful number, since it uses less digits than its factorization.

243520153156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 243520153156 its reverse (651351025342), we get a palindrome (894871178498).

The spelling of 243520153156 in words is "two hundred forty-three billion, five hundred twenty million, one hundred fifty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 149 196 298 343 443 596 686 886 1043 1372 1772 2086 2689 3101 4172 5378 6202 7301 10756 12404 14602 18823 21707 29204 37646 43414 51107 66007 75292 86828 102214 131761 132014 151949 204428 263522 264028 303898 400661 462049 527044 607796 801322 922327 924098 1191227 1602644 1844654 1848196 2382454 2804627 3234343 3689308 4764908 5609254 6468686 8338589 11218508 12937372 16677178 19632389 22640401 33354356 39264778 45280802 58370123 78529556 90561604 116740246 137426723 177492823 233480492 274853446 354985646 408590861 549706892 709971292 817181722 1242449761 1634363444 2484899522 4969799044 8697148327 17394296654 34788593308 60880038289 121760076578 243520153156