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45420205120 = 265433300887
BaseRepresentation
bin101010010011010000…
…010101010001000000
311100020102010111010021
4222103100111101000
51221010033030440
632511000343224
73165361242043
oct522320252100
9140212114107
1045420205120
1118298581404
128977174b14
13438aca8324
1422ac3b2c5a
1512ac79384a
hexa93415440

45420205120 has 56 divisors (see below), whose sum is σ = 110672172864. Its totient is φ = 17745563136.

The previous prime is 45420205099. The next prime is 45420205123. The reversal of 45420205120 is 2150202454.

It is not an unprimeable number, because it can be changed into a prime (45420205123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636684 + ... + 1664203.

Almost surely, 245420205120 is an apocalyptic number.

45420205120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45420205120 is an abundant number, since it is smaller than the sum of its proper divisors (65251967744).

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

45420205120 is a wasteful number, since it uses less digits than its factorization.

45420205120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300947 (or 3300937 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 45420205120 its reverse (2150202454), we get a palindrome (47570407574).

The spelling of 45420205120 in words is "forty-five billion, four hundred twenty million, two hundred five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 160 172 215 320 344 430 688 860 1376 1720 2752 3440 6880 13760 3300887 6601774 13203548 16504435 26407096 33008870 52814192 66017740 105628384 132035480 141938141 211256768 264070960 283876282 528141920 567752564 709690705 1056283840 1135505128 1419381410 2271010256 2838762820 4542020512 5677525640 9084041024 11355051280 22710102560 45420205120