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5157493139 = 291039171169
BaseRepresentation
bin1001100110110100…
…10001100110010011
3111022102201210112102
410303122101212103
541030304240024
62211434551015
7241543653101
oct46332214623
914272653472
105157493139
1122072a7a27
12bbb29846b
136426822b6
1436cd7ac71
15202bb61ae
hex133691993

5157493139 has 8 divisors (see below), whose sum is σ = 5340504000. Its totient is φ = 4974826752.

The previous prime is 5157493109. The next prime is 5157493141. The reversal of 5157493139 is 9313947515.

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

It is a cyclic number.

It is not a de Polignac number, because 5157493139 - 228 = 4889057683 is a prime.

It is a super-3 number, since 3×51574931393 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5157493093 and 5157493102.

It is not an unprimeable number, because it can be changed into a prime (5157493109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55454 + ... + 115715.

It is an arithmetic number, because the mean of its divisors is an integer number (667563000).

Almost surely, 25157493139 is an apocalyptic number.

5157493139 is a deficient number, since it is larger than the sum of its proper divisors (183010861).

5157493139 is a wasteful number, since it uses less digits than its factorization.

5157493139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172237.

The product of its digits is 510300, while the sum is 47.

The square root of 5157493139 is about 71815.6886689810. The cubic root of 5157493139 is about 1727.7446345951.

The spelling of 5157493139 in words is "five billion, one hundred fifty-seven million, four hundred ninety-three thousand, one hundred thirty-nine".

Divisors: 1 29 1039 30131 171169 4963901 177844591 5157493139