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45572945880 = 2335721137137139
BaseRepresentation
bin101010011100010110…
…111111011111011000
311100122001112112001110
4222130112333133120
51221313133232010
632534054220320
73202224435300
oct523426773730
9140561475043
1045572945880
1118366815840
1289ba3546a0
1343b3826887
1422c47b2600
1512badb5120
hexa9c5bf7d8

45572945880 has 768 divisors, whose sum is σ = 180779558400. Its totient is φ = 9080709120.

The previous prime is 45572945863. The next prime is 45572945903. The reversal of 45572945880 is 8854927554.

It is a self number, because there is not a number n which added to its sum of digits gives 45572945880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 327862851 + ... + 327862989.

It is an arithmetic number, because the mean of its divisors is an integer number (235390050).

Almost surely, 245572945880 is an apocalyptic number.

45572945880 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 45572945880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90389779200).

45572945880 is an abundant number, since it is smaller than the sum of its proper divisors (135206612520).

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

45572945880 is a wasteful number, since it uses less digits than its factorization.

45572945880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 45572945880 in words is "forty-five billion, five hundred seventy-two million, nine hundred forty-five thousand, eight hundred eighty".