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2155127054 = 22937157363
BaseRepresentation
bin1000000001110100…
…1010000100001110
312120012020210112112
42000131022010032
513403203031204
6553503504022
7104256164153
oct20035120416
95505223475
102155127054
11a06570943
125018b8012
1328464cb12
1416631a22a
15c930626e
hex8074a10e

2155127054 has 8 divisors (see below), whose sum is σ = 3344162760. Its totient is φ = 1040406136.

The previous prime is 2155127027. The next prime is 2155127089. The reversal of 2155127054 is 4507215512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2155127054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18578624 + ... + 18578739.

It is an arithmetic number, because the mean of its divisors is an integer number (418020345).

Almost surely, 22155127054 is an apocalyptic number.

2155127054 is a deficient number, since it is larger than the sum of its proper divisors (1189035706).

2155127054 is a wasteful number, since it uses less digits than its factorization.

2155127054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37157394.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 2155127054 is about 46423.3460017694. The cubic root of 2155127054 is about 1291.6880039615.

The spelling of 2155127054 in words is "two billion, one hundred fifty-five million, one hundred twenty-seven thousand, fifty-four".

Divisors: 1 2 29 58 37157363 74314726 1077563527 2155127054