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103119157 = 293555833
BaseRepresentation
bin1100010010101…
…11100100110101
321012000222220001
412021113210311
5202344303112
614122111301
72361332641
oct611274465
9235028801
10103119157
1153231a49
122a64b531
131849646b
14d9a3c21
1590bdc57
hex6257935

103119157 has 4 divisors (see below), whose sum is σ = 106675020. Its totient is φ = 99563296.

The previous prime is 103119109. The next prime is 103119169. The reversal of 103119157 is 751911301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751911301 = 1939574279.

It can be written as a sum of positive squares in 2 ways, for example, as 60621796 + 42497361 = 7786^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 103119157 - 211 = 103117109 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 (103119187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777888 + ... + 1777945.

It is an arithmetic number, because the mean of its divisors is an integer number (26668755).

Almost surely, 2103119157 is an apocalyptic number.

It is an amenable number.

103119157 is a deficient number, since it is larger than the sum of its proper divisors (3555863).

103119157 is an equidigital number, since it uses as much as digits as its factorization.

103119157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555862.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 103119157 is about 10154.7603122870. The cubic root of 103119157 is about 468.9355069733.

The spelling of 103119157 in words is "one hundred three million, one hundred nineteen thousand, one hundred fifty-seven".

Divisors: 1 29 3555833 103119157