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45705150720 = 2837529563
BaseRepresentation
bin101010100100001111…
…010100000100000000
311100222021022020000000
4222210033110010000
51222101004310340
632555140000000
73205421241165
oct524417240400
9140867266000
1045705150720
1118424403239
128a36690000
134405034aa8
1422d818806c
1512c77cbd30
hexaa43d4100

45705150720 has 576 divisors, whose sum is σ = 170155641600. Its totient is φ = 11746861056.

The previous prime is 45705150713. The next prime is 45705150721. The reversal of 45705150720 is 2705150754.

45705150720 is a `hidden beast` number, since 4 + 5 + 70 + 515 + 0 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45705150721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81181159 + ... + 81181721.

It is an arithmetic number, because the mean of its divisors is an integer number (295409100).

Almost surely, 245705150720 is an apocalyptic number.

45705150720 is a gapful number since it is divisible by the number (40) 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 45705150720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85077820800).

45705150720 is an abundant number, since it is smaller than the sum of its proper divisors (124450490880).

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

45705150720 is an frugal number, since it uses more digits than its factorization.

45705150720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The spelling of 45705150720 in words is "forty-five billion, seven hundred five million, one hundred fifty thousand, seven hundred twenty".