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5215857147 = 322953377059
BaseRepresentation
bin1001101101110001…
…11010100111111011
3111110111112222220100
410312320322213323
541140224412042
62221321530443
7243153024414
oct46670724773
914414488810
105215857147
112237240746
121016943a23
136517a8707
14376a1080b
15207d9424c
hex136e3a9fb

5215857147 has 24 divisors (see below), whose sum is σ = 7940883600. Its totient is φ = 3293978688.

The previous prime is 5215857139. The next prime is 5215857151. The reversal of 5215857147 is 7417585125.

5215857147 is a `hidden beast` number, since 5 + 21 + 58 + 571 + 4 + 7 = 666.

It is not a de Polignac number, because 5215857147 - 23 = 5215857139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215857187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174697 + ... + 202362.

It is an arithmetic number, because the mean of its divisors is an integer number (330870150).

Almost surely, 25215857147 is an apocalyptic number.

5215857147 is a deficient number, since it is larger than the sum of its proper divisors (2725026453).

5215857147 is a wasteful number, since it uses less digits than its factorization.

5215857147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377147 (or 377144 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The square root of 5215857147 is about 72220.8913473103. The cubic root of 5215857147 is about 1734.2374596477.

The spelling of 5215857147 in words is "five billion, two hundred fifteen million, eight hundred fifty-seven thousand, one hundred forty-seven".

Divisors: 1 3 9 29 53 87 159 261 477 1537 4611 13833 377059 1131177 3393531 10934711 19984127 32804133 59952381 98412399 179857143 579539683 1738619049 5215857147