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145102483680 = 253571122931397
BaseRepresentation
bin1000011100100011001…
…0000011000011100000
3111212112102220220111020
42013020302003003200
54334132213434210
6150354213445440
713324526522010
oct2071062030340
9455472826436
10145102483680
11565a0629700
1224156640880
13108b5a239cb
147047169c40
153b93b6d770
hex21c8c830e0

145102483680 has 1152 divisors, whose sum is σ = 614678077440. Its totient is φ = 28101427200.

The previous prime is 145102483627. The next prime is 145102483693. The reversal of 145102483680 is 86384201541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 365497242 + ... + 365497638.

It is an arithmetic number, because the mean of its divisors is an integer number (533574720).

Almost surely, 2145102483680 is an apocalyptic number.

145102483680 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 145102483680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307339038720).

145102483680 is an abundant number, since it is smaller than the sum of its proper divisors (469575593760).

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

145102483680 is a wasteful number, since it uses less digits than its factorization.

145102483680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 145102483680 in words is "one hundred forty-five billion, one hundred two million, four hundred eighty-three thousand, six hundred eighty".