Search a number
-
+
1002211012 = 2211191032113
BaseRepresentation
bin111011101111001…
…000011011000100
32120211211121001101
4323233020123010
54023031223022
6243240505444
733556436665
oct7357103304
92524747041
101002211012
114747a3a70
1223b77b284
1312c83268a
149716536c
155cebb627
hex3bbc86c4

1002211012 has 72 divisors (see below), whose sum is σ = 2051753760. Its totient is φ = 423601920.

The previous prime is 1002211003. The next prime is 1002211027. The reversal of 1002211012 is 2101122001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002211012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8869068 + ... + 8869180.

It is an arithmetic number, because the mean of its divisors is an integer number (28496580).

Almost surely, 21002211012 is an apocalyptic number.

It is an amenable number.

1002211012 is an abundant number, since it is smaller than the sum of its proper divisors (1049542748).

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

1002211012 is a wasteful number, since it uses less digits than its factorization.

1002211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1002211012 is about 31657.7164685010. The cubic root of 1002211012 is about 1000.7364614913.

Adding to 1002211012 its reverse (2101122001), we get a palindrome (3103333013).

The spelling of 1002211012 in words is "one billion, two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 11 19 22 38 44 76 103 113 206 209 226 412 418 452 836 1133 1243 1957 2147 2266 2486 3914 4294 4532 4972 7828 8588 10609 11639 21218 21527 23278 23617 42436 43054 46556 47234 86108 94468 116699 128029 201571 221141 233398 256058 403142 442282 466796 512116 806284 884564 1198817 2217281 2397634 2432551 4434562 4795268 4865102 8869124 9730204 13186987 22777523 26373974 45555046 52747948 91110092 250552753 501105506 1002211012