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45097269920 = 2551987141851
BaseRepresentation
bin101010000000000000…
…011011101010100000
311022101220110200022022
4222000000123222200
51214324400114140
632414543001012
73154360320023
oct520000335240
9138356420268
1045097269920
111814226240a
1288a6b99168
13433910a101
14227b54d1ba
15128e2540b5
hexa8001baa0

45097269920 has 48 divisors (see below), whose sum is σ = 106596671328. Its totient is φ = 18029702400.

The previous prime is 45097269901. The next prime is 45097269929. The reversal of 45097269920 is 2996279054.

It is not an unprimeable number, because it can be changed into a prime (45097269929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246995 + ... + 388845.

It is an arithmetic number, because the mean of its divisors is an integer number (2220763986).

Almost surely, 245097269920 is an apocalyptic number.

45097269920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45097269920 is an abundant number, since it is smaller than the sum of its proper divisors (61499401408).

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

45097269920 is a wasteful number, since it uses less digits than its factorization.

45097269920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143853 (or 143845 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 45097269920 in words is "forty-five billion, ninety-seven million, two hundred sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1987 3974 7948 9935 15896 19870 31792 39740 63584 79480 141851 158960 283702 317920 567404 709255 1134808 1418510 2269616 2837020 4539232 5674040 11348080 22696160 281857937 563715874 1127431748 1409289685 2254863496 2818579370 4509726992 5637158740 9019453984 11274317480 22548634960 45097269920