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30227885440 = 275431098397
BaseRepresentation
bin11100001001101110…
…001110110110000000
32220000122002200102121
4130021232032312000
5443401314313230
621515252254024
72120034533614
oct341156166600
986018080377
1030227885440
1111901942805
125a37311314
132b09663a5c
14166a809344
15bbdb4077a
hex709b8ed80

30227885440 has 64 divisors (see below), whose sum is σ = 73944153360. Its totient is φ = 11809953792.

The previous prime is 30227885407. The next prime is 30227885461. The reversal of 30227885440 is 4458872203.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521679 + ... + 576718.

Almost surely, 230227885440 is an apocalyptic number.

It is an amenable number.

30227885440 is an abundant number, since it is smaller than the sum of its proper divisors (43716267920).

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

30227885440 is a wasteful number, since it uses less digits than its factorization.

30227885440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098459 (or 1098447 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 30227885440 in words is "thirty billion, two hundred twenty-seven million, eight hundred eighty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 320 344 430 640 688 860 1376 1720 2752 3440 5504 6880 13760 27520 1098397 2196794 4393588 5491985 8787176 10983970 17574352 21967940 35148704 43935880 47231071 70297408 87871760 94462142 140594816 175743520 188924284 236155355 351487040 377848568 472310710 702974080 755697136 944621420 1511394272 1889242840 3022788544 3778485680 6045577088 7556971360 15113942720 30227885440