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152445887220 = 2235111014994583
BaseRepresentation
bin1000110111111001111…
…0111010001011110100
3112120111012211110101010
42031332132322023310
54444202121342340
6154011020232220
714004515442534
oct2157636721364
9476435743333
10152445887220
1159719802450
122566599b670
13114b62134c3
1475425574c4
153e736bbb80
hex237e7ba2f4

152445887220 has 192 divisors, whose sum is σ = 471308544000. Its totient is φ = 36509376000.

The previous prime is 152445887207. The next prime is 152445887221. The reversal of 152445887220 is 22788544251.

It is a self number, because there is not a number n which added to its sum of digits gives 152445887220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152445887221) 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 63 ways as a sum of consecutive naturals, for example, 33261049 + ... + 33265631.

It is an arithmetic number, because the mean of its divisors is an integer number (2454732000).

Almost surely, 2152445887220 is an apocalyptic number.

152445887220 is a gapful number since it is divisible by the number (10) 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 152445887220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235654272000).

152445887220 is an abundant number, since it is smaller than the sum of its proper divisors (318862656780).

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

152445887220 is a wasteful number, since it uses less digits than its factorization.

152445887220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 152445887220 in words is "one hundred fifty-two billion, four hundred forty-five million, eight hundred eighty-seven thousand, two hundred twenty".