Search a number
-
+
10121319 = 32131929157
BaseRepresentation
bin100110100111…
…000001100111
3201001012211200
4212213001213
510042340234
61000533543
7152013135
oct46470147
921035750
1010121319
11579332a
1234812b3
132134b60
1414b6755
15d4dd99
hex9a7067

10121319 has 48 divisors (see below), whose sum is σ = 17253600. Its totient is φ = 5660928.

The previous prime is 10121317. The next prime is 10121323. The reversal of 10121319 is 91312101.

10121319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121319 - 21 = 10121317 is a prime.

It is a super-2 number, since 2×101213192 = 204882196599522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64389 + ... + 64545.

It is an arithmetic number, because the mean of its divisors is an integer number (359450).

Almost surely, 210121319 is an apocalyptic number.

10121319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10121319 is a deficient number, since it is larger than the sum of its proper divisors (7132281).

10121319 is a wasteful number, since it uses less digits than its factorization.

10121319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 10121319 is about 3181.4020494115. The cubic root of 10121319 is about 216.3112154762.

It can be divided in two parts, 10121 and 319, that added together give a triangular number (10440 = T144).

The spelling of 10121319 in words is "ten million, one hundred twenty-one thousand, three hundred nineteen".

Divisors: 1 3 9 13 19 29 39 57 87 117 157 171 247 261 377 471 551 741 1131 1413 1653 2041 2223 2983 3393 4553 4959 6123 7163 8949 13659 18369 21489 26847 38779 40977 59189 64467 86507 116337 177567 259521 349011 532701 778563 1124591 3373773 10121319