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5621045148 = 2232156140143
BaseRepresentation
bin1010011110000101…
…00101011110011100
3112111201222200100100
411033002211132130
543002441421043
62325434301100
7256203044505
oct51702453634
915451880310
105621045148
112424a2a464
12110a587790
136b7715524
143b4765bac
1522d72ecd3
hex14f0a579c

5621045148 has 18 divisors (see below), whose sum is σ = 14208753104. Its totient is φ = 1873681704.

The previous prime is 5621045119. The next prime is 5621045161. The reversal of 5621045148 is 8415401265.

It is a happy number.

5621045148 is a `hidden beast` number, since 562 + 1 + 0 + 4 + 51 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×56210451482 = 63192297111708683808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156140143 = 5621045148 / (5 + 6 + 2 + 1 + 0 + 4 + 5 + 1 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78070036 + ... + 78070107.

Almost surely, 25621045148 is an apocalyptic number.

It is an amenable number.

5621045148 is an abundant number, since it is smaller than the sum of its proper divisors (8587707956).

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

5621045148 is a wasteful number, since it uses less digits than its factorization.

5621045148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156140153 (or 156140148 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5621045148 is about 74973.6296840429. The cubic root of 5621045148 is about 1778.0297549221.

The spelling of 5621045148 in words is "five billion, six hundred twenty-one million, forty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 156140143 312280286 468420429 624560572 936840858 1405261287 1873681716 2810522574 5621045148