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2920275128 = 23365034391
BaseRepresentation
bin1010111000001111…
…1101110010111000
321112112000100101002
42232003331302320
521440042301003
61201435344132
7132236633441
oct25603756270
97475010332
102920275128
111269467a21
12695bb2048
1337701c464
141d9bb22c8
15121596a88
hexae0fdcb8

2920275128 has 8 divisors (see below), whose sum is σ = 5475515880. Its totient is φ = 1460137560.

The previous prime is 2920275121. The next prime is 2920275139. The reversal of 2920275128 is 8215720292.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2920275091 and 2920275100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920275121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182517188 + ... + 182517203.

It is an arithmetic number, because the mean of its divisors is an integer number (684439485).

Almost surely, 22920275128 is an apocalyptic number.

It is an amenable number.

2920275128 is a deficient number, since it is larger than the sum of its proper divisors (2555240752).

2920275128 is a wasteful number, since it uses less digits than its factorization.

2920275128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365034397 (or 365034393 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2920275128 is about 54039.5700204952. The cubic root of 2920275128 is about 1429.3587892521.

The spelling of 2920275128 in words is "two billion, nine hundred twenty million, two hundred seventy-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 365034391 730068782 1460137564 2920275128