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1500225023220 = 22357113078271279
BaseRepresentation
bin10101110101001100011…
…000010010110011110100
312022102100021001111112220
4111311030120102303310
5144034430101220340
63105105512442340
7213246655202640
oct25651430226364
95272307044486
101500225023220
11529272a076a0
122029063a93b0
13ab616c22541
145287b4c3c20
1529056ee7ed0
hex15d4c612cf4

1500225023220 has 384 divisors, whose sum is σ = 5264674652160. Its totient is φ = 310101281280.

The previous prime is 1500225023203. The next prime is 1500225023221. The reversal of 1500225023220 is 223205220051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500225023221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1172966541 + ... + 1172967819.

It is an arithmetic number, because the mean of its divisors is an integer number (13710090240).

Almost surely, 21500225023220 is an apocalyptic number.

1500225023220 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 1500225023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632337326080).

1500225023220 is an abundant number, since it is smaller than the sum of its proper divisors (3764449628940).

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

1500225023220 is a wasteful number, since it uses less digits than its factorization.

1500225023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 1500225023220 in words is "one trillion, five hundred billion, two hundred twenty-five million, twenty-three thousand, two hundred twenty".