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3133126853 = 295314913681
BaseRepresentation
bin1011101010111111…
…1011100011000101
322002100112100001022
42322233323203011
522404040024403
61234521440525
7140433065423
oct27257734305
98070470038
103133126853
11136862863a
12735340145
133ac15631c
1421a17c113
151350ddd38
hexbabfb8c5

3133126853 has 16 divisors (see below), whose sum is σ = 3324726000. Its totient is φ = 2947875840.

The previous prime is 3133126823. The next prime is 3133126891. The reversal of 3133126853 is 3586213313.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 92486689 + 3040640164 = 9617^2 + 55142^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133126853 - 28 = 3133126597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133126823) 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, 222173 + ... + 235853.

It is an arithmetic number, because the mean of its divisors is an integer number (207795375).

Almost surely, 23133126853 is an apocalyptic number.

It is an amenable number.

3133126853 is a deficient number, since it is larger than the sum of its proper divisors (191599147).

3133126853 is a wasteful number, since it uses less digits than its factorization.

3133126853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13912.

The product of its digits is 38880, while the sum is 35.

The square root of 3133126853 is about 55974.3410233653. The cubic root of 3133126853 is about 1463.2751353831.

The spelling of 3133126853 in words is "three billion, one hundred thirty-three million, one hundred twenty-six thousand, eight hundred fifty-three".

Divisors: 1 29 53 149 1537 4321 7897 13681 229013 396749 725093 2038469 21027697 59115601 108038857 3133126853