Search a number
-
+
103012355 = 5137150383
BaseRepresentation
bin1100010001111…
…01100000000011
321011211120101102
412020331200003
5202332343410
614115525015
72360406365
oct610754003
9234746342
10103012355
1153169786
122a5b976b
1318459974
14d976d35
15909c2a5
hex623d803

103012355 has 8 divisors (see below), whose sum is σ = 124517952. Its totient is φ = 81807808.

The previous prime is 103012309. The next prime is 103012361. The reversal of 103012355 is 553210301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103012355 is a prime.

It is a super-2 number, since 2×1030123552 = 21223090565292050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74507 + ... + 75876.

It is an arithmetic number, because the mean of its divisors is an integer number (15564744).

Almost surely, 2103012355 is an apocalyptic number.

103012355 is a deficient number, since it is larger than the sum of its proper divisors (21505597).

103012355 is a wasteful number, since it uses less digits than its factorization.

103012355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150525.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 103012355 is about 10149.5002340017. The cubic root of 103012355 is about 468.7735566236.

Adding to 103012355 its reverse (553210301), we get a palindrome (656222656).

It can be divided in two parts, 10301235 and 5, that multiplied together give a triangular number (51506175 = T10149).

The spelling of 103012355 in words is "one hundred three million, twelve thousand, three hundred fifty-five".

Divisors: 1 5 137 685 150383 751915 20602471 103012355