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15250211340 = 223571310192741
BaseRepresentation
bin11100011001111101…
…11100001000001100
31110100210222000010020
432030332330020030
5222213023230330
611001132542140
71046625441360
oct161476741014
943323860106
1015250211340
11651638a551
122b57321950
1315906339c0
14a495572a0
155e3c8b210
hex38cfbc20c

15250211340 has 192 divisors, whose sum is σ = 52625341440. Its totient is φ = 3213296640.

The previous prime is 15250211323. The next prime is 15250211359. The reversal of 15250211340 is 4311205251.

It is a happy number.

15250211340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15250211340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5562370 + ... + 5565110.

It is an arithmetic number, because the mean of its divisors is an integer number (274090320).

Almost surely, 215250211340 is an apocalyptic number.

15250211340 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 15250211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26312670720).

15250211340 is an abundant number, since it is smaller than the sum of its proper divisors (37375130100).

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

15250211340 is a wasteful number, since it uses less digits than its factorization.

15250211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 15250211340 its reverse (4311205251), we get a palindrome (19561416591).

The spelling of 15250211340 in words is "fifteen billion, two hundred fifty million, two hundred eleven thousand, three hundred forty".