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1530055505420 = 2251334716959161
BaseRepresentation
bin10110010000111110011…
…010100011011000001100
312102021100012101000012222
4112100332122203120030
5200032023202133140
63130521531314512
7215354126131541
oct26207632433014
95367305330188
101530055505420
1153a990498472
122086505aba38
13b138c143940
14540ab202bc8
1529c00cd95b5
hex1643e6a360c

1530055505420 has 48 divisors (see below), whose sum is σ = 3470251565088. Its totient is φ = 563315458560.

The previous prime is 1530055505399. The next prime is 1530055505431. The reversal of 1530055505420 is 245055500351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8389361 + ... + 8569800.

It is an arithmetic number, because the mean of its divisors is an integer number (72296907606).

Almost surely, 21530055505420 is an apocalyptic number.

1530055505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530055505420 is an abundant number, since it is smaller than the sum of its proper divisors (1940196059668).

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

1530055505420 is a wasteful number, since it uses less digits than its factorization.

1530055505420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959530 (or 16959528 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 1530055505420 in words is "one trillion, five hundred thirty billion, fifty-five million, five hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 347 694 1388 1735 3470 4511 6940 9022 18044 22555 45110 90220 16959161 33918322 67836644 84795805 169591610 220469093 339183220 440938186 881876372 1102345465 2204690930 4409381860 5884828867 11769657734 23539315468 29424144335 58848288670 76502775271 117696577340 153005550542 306011101084 382513876355 765027752710 1530055505420