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545407038480 = 243511320110879
BaseRepresentation
bin1111110111111001100…
…10101111010000010000
31221010210100120021010110
413323330302233100100
532413443200212410
61054320113401320
754255460222623
oct7737462572020
91833710507113
10545407038480
111a0340066587
1289853869240
133c57c496095
141c57d969dba
15e2c2175720
hex7efccaf410

545407038480 has 80 divisors (see below), whose sum is σ = 1705724398080. Its totient is φ = 144154773504.

The previous prime is 545407038469. The next prime is 545407038499. The reversal of 545407038480 is 84830704545.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10028320 + ... + 10082559.

It is an arithmetic number, because the mean of its divisors is an integer number (21321554976).

Almost surely, 2545407038480 is an apocalyptic number.

It is an amenable number.

545407038480 is an abundant number, since it is smaller than the sum of its proper divisors (1160317359600).

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

545407038480 is a wasteful number, since it uses less digits than its factorization.

545407038480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111008 (or 20111002 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 545407038480 in words is "five hundred forty-five billion, four hundred seven million, thirty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 113 120 226 240 339 452 565 678 904 1130 1356 1695 1808 2260 2712 3390 4520 5424 6780 9040 13560 27120 20110879 40221758 60332637 80443516 100554395 120665274 160887032 201108790 241330548 301663185 321774064 402217580 482661096 603326370 804435160 965322192 1206652740 1608870320 2272529327 2413305480 4545058654 4826610960 6817587981 9090117308 11362646635 13635175962 18180234616 22725293270 27270351924 34087939905 36360469232 45450586540 54540703848 68175879810 90901173080 109081407696 136351759620 181802346160 272703519240 545407038480