Search a number
-
+
10101230250 = 235353254119
BaseRepresentation
bin10010110100001010…
…01000101010101010
3222001222020122220220
421122011020222222
5131141403332000
64350200230510
7505214016606
oct113205105252
928058218826
1010101230250
114313976881
121b5aa6b436
13c4c971c27
146bb794506
153e1c071a0
hex25a148aaa

10101230250 has 64 divisors (see below), whose sum is σ = 25688482560. Its totient is φ = 2642827200.

The previous prime is 10101230189. The next prime is 10101230257. The reversal of 10101230250 is 5203210101.

It is a super-4 number, since 4×101012302504 (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10101230257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87310 + ... + 166809.

It is an arithmetic number, because the mean of its divisors is an integer number (401382540).

Almost surely, 210101230250 is an apocalyptic number.

10101230250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101230250 is an abundant number, since it is smaller than the sum of its proper divisors (15587252310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101230250 is a wasteful number, since it uses less digits than its factorization.

10101230250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254192 (or 254182 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 10101230250 its reverse (5203210101), we get a palindrome (15304440351).

The spelling of 10101230250 in words is "ten billion, one hundred one million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 53 75 106 125 150 159 250 265 318 375 530 750 795 1325 1590 2650 3975 6625 7950 13250 19875 39750 254119 508238 762357 1270595 1524714 2541190 3811785 6352975 7623570 12705950 13468307 19058925 26936614 31764875 38117850 40404921 63529750 67341535 80809842 95294625 134683070 190589250 202024605 336707675 404049210 673415350 1010123025 1683538375 2020246050 3367076750 5050615125 10101230250