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1010123025 = 35253254119
BaseRepresentation
bin111100001101010…
…100000100010001
32121101201120021220
4330031110010101
54032042414100
6244122235253
734013622042
oct7415240421
92541646256
101010123025
1147920841a
12242355b29
13131372a42
14982248c9
155da30aa0
hex3c354111

1010123025 has 24 divisors (see below), whose sum is σ = 1701587520. Its totient is φ = 528565440.

The previous prime is 1010122999. The next prime is 1010123029. The reversal of 1010123025 is 5203210101.

It is not a de Polignac number, because 1010123025 - 28 = 1010122769 is a prime.

It is a super-4 number, since 4×10101230254 (a number of 37 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1010122995 and 1010123013.

It is not an unprimeable number, because it can be changed into a prime (1010123029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123085 + ... + 131034.

It is an arithmetic number, because the mean of its divisors is an integer number (70899480).

Almost surely, 21010123025 is an apocalyptic number.

1010123025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010123025 is a deficient number, since it is larger than the sum of its proper divisors (691464495).

1010123025 is a wasteful number, since it uses less digits than its factorization.

1010123025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254185 (or 254180 counting only the distinct ones).

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

The square root of 1010123025 is about 31782.4326476121. The cubic root of 1010123025 is about 1003.3630190908.

Adding to 1010123025 its reverse (5203210101), we get a palindrome (6213333126).

The spelling of 1010123025 in words is "one billion, ten million, one hundred twenty-three thousand, twenty-five".

Divisors: 1 3 5 15 25 53 75 159 265 795 1325 3975 254119 762357 1270595 3811785 6352975 13468307 19058925 40404921 67341535 202024605 336707675 1010123025