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50303069172 = 22332327112401
BaseRepresentation
bin101110110110010010…
…111110101111110100
311210211201002200101000
4232312102332233310
51311010041203142
635035305203300
73430362014226
oct566622765764
9153751080330
1050303069172
111a373853444
1298ba490530
1349887a37b5
142612aa2416
1514962ad14c
hexbb64bebf4

50303069172 has 144 divisors (see below), whose sum is σ = 138263448960. Its totient is φ = 15811488000.

The previous prime is 50303069171. The next prime is 50303069177. The reversal of 50303069172 is 27196030305.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50303069171) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4050172 + ... + 4062572.

It is an arithmetic number, because the mean of its divisors is an integer number (960162840).

Almost surely, 250303069172 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 50303069172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69131724480).

50303069172 is an abundant number, since it is smaller than the sum of its proper divisors (87960379788).

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

50303069172 is a wasteful number, since it uses less digits than its factorization.

50303069172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531 (or 12500 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

Adding to 50303069172 its reverse (27196030305), we get a palindrome (77499099477).

The spelling of 50303069172 in words is "fifty billion, three hundred three million, sixty-nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 71 92 108 138 142 207 213 276 284 414 426 529 621 639 828 852 1058 1242 1278 1587 1633 1917 2116 2484 2556 3174 3266 3834 4761 4899 6348 6532 7668 9522 9798 12401 14283 14697 19044 19596 24802 28566 29394 37203 37559 44091 49604 57132 58788 74406 75118 88182 111609 112677 148812 150236 176364 223218 225354 285223 334827 338031 446436 450708 570446 669654 676062 855669 880471 1014093 1140892 1339308 1352124 1711338 1760942 2028186 2567007 2641413 3422676 3521884 4056372 5134014 5282826 6560129 7701021 7924239 10268028 10565652 13120258 15402042 15848478 19680387 20250833 23772717 26240516 30804084 31696956 39360774 40501666 47545434 59041161 60752499 78721548 81003332 95090868 118082322 121504998 177123483 182257497 236164644 243009996 354246966 364514994 465769159 546772491 708493932 729029988 931538318 1093544982 1397307477 1863076636 2187089964 2794614954 4191922431 5589229908 8383844862 12575767293 16767689724 25151534586 50303069172