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15230954648 = 23713219711193
BaseRepresentation
bin11100010111101010…
…11110110010011000
31110022110201122220102
432023311132302120
5222143111022043
610555204114532
71046302656410
oct161365366230
943273648812
1015230954648
116506527728
122b50995a48
131589650a00
14a46b83640
155e22356b8
hex38bd5ec98

15230954648 has 192 divisors, whose sum is σ = 37757145600. Its totient is φ = 5623188480.

The previous prime is 15230954639. The next prime is 15230954671. The reversal of 15230954648 is 84645903251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12766340 + ... + 12767532.

It is an arithmetic number, because the mean of its divisors is an integer number (196651800).

Almost surely, 215230954648 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 15230954648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18878572800).

15230954648 is an abundant number, since it is smaller than the sum of its proper divisors (22526190952).

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

15230954648 is a wasteful number, since it uses less digits than its factorization.

15230954648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 15230954648 in words is "fifteen billion, two hundred thirty million, nine hundred fifty-four thousand, six hundred forty-eight".