Search a number
-
+
1012013000 = 23532934897
BaseRepresentation
bin111100010100100…
…001011111001000
32121112021120211222
4330110201133020
54033033404000
6244230541212
734035653135
oct7424413710
92545246758
101012013000
1147a289389
12242b07808
1313188507b
149859758c
155dca5a85
hex3c5217c8

1012013000 has 64 divisors (see below), whose sum is σ = 2449839600. Its totient is φ = 390835200.

The previous prime is 1012012999. The next prime is 1012013003. The reversal of 1012013000 is 3102101.

It can be written as a sum of positive squares in 8 ways, for example, as 11303044 + 1000709956 = 3362^2 + 31634^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1012013003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11552 + ... + 46448.

Almost surely, 21012013000 is an apocalyptic number.

1012013000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224919800).

1012013000 is an abundant number, since it is smaller than the sum of its proper divisors (1437826600).

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

1012013000 is a wasteful number, since it uses less digits than its factorization.

1012013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34947 (or 34933 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1012013000 is about 31812.1517662669. The cubic root of 1012013000 is about 1003.9884048120.

Adding to 1012013000 its reverse (3102101), we get a palindrome (1015115101).

The spelling of 1012013000 in words is "one billion, twelve million, thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 125 145 200 232 250 290 500 580 725 1000 1160 1450 2900 3625 5800 7250 14500 29000 34897 69794 139588 174485 279176 348970 697940 872425 1012013 1395880 1744850 2024026 3489700 4048052 4362125 5060065 6979400 8096104 8724250 10120130 17448500 20240260 25300325 34897000 40480520 50600650 101201300 126501625 202402600 253003250 506006500 1012013000