Search a number
-
+
33252141780 = 2232511131775991
BaseRepresentation
bin11110111101111110…
…110110101011010100
310011211101202211012200
4132331332312223110
51021100022014110
623135324444500
72255006353524
oct367576665324
9104741684180
1033252141780
1113113a70310
1265400a9730
13319c08bb50
141876327684
15ce93c66c0
hex7bdfb6ad4

33252141780 has 288 divisors, whose sum is σ = 125470695168. Its totient is φ = 7003238400.

The previous prime is 33252141761. The next prime is 33252141781. The reversal of 33252141780 is 8714125233.

It is a super-2 number, since 2×332521417802 (a number of 22 digits) contains 22 as substring.

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 (33252141781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399585 + ... + 475575.

It is an arithmetic number, because the mean of its divisors is an integer number (435662136).

Almost surely, 233252141780 is an apocalyptic number.

33252141780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33252141780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62735347584).

33252141780 is an abundant number, since it is smaller than the sum of its proper divisors (92218553388).

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

33252141780 is a wasteful number, since it uses less digits than its factorization.

33252141780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76047 (or 76042 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 33252141780 in words is "thirty-three billion, two hundred fifty-two million, one hundred forty-one thousand, seven hundred eighty".