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2158453427 = 134715722501
BaseRepresentation
bin1000000010100111…
…0110001010110011
312120102111210110112
42000221312022303
513410031002202
6554103051535
7104326360064
oct20051661263
95512453415
102158453427
11a08433009
12502a40bab
13285245ba0
1416694456b
15c9761b52
hex80a762b3

2158453427 has 16 divisors (see below), whose sum is σ = 2389172352. Its totient is φ = 1937520000.

The previous prime is 2158453411. The next prime is 2158453439. The reversal of 2158453427 is 7243548512.

It is not a de Polignac number, because 2158453427 - 24 = 2158453411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158413427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84677 + ... + 107177.

It is an arithmetic number, because the mean of its divisors is an integer number (149323272).

Almost surely, 22158453427 is an apocalyptic number.

2158453427 is a deficient number, since it is larger than the sum of its proper divisors (230718925).

2158453427 is a wasteful number, since it uses less digits than its factorization.

2158453427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22718.

The product of its digits is 268800, while the sum is 41.

The square root of 2158453427 is about 46459.1586987969. The cubic root of 2158453427 is about 1292.3522227154.

The spelling of 2158453427 in words is "two billion, one hundred fifty-eight million, four hundred fifty-three thousand, four hundred twenty-seven".

Divisors: 1 13 47 157 611 2041 7379 22501 95927 292513 1057547 3532657 13748111 45924541 166034879 2158453427