Search a number
-
+
30442261102 = 2116722990187
BaseRepresentation
bin11100010110100000…
…000000101001101110
32220120120111002112221
4130112200000221232
5444321204323402
621552431145554
72125246643551
oct342640005156
986516432487
1030442261102
1111a01954380
125a970752ba
132b41bb2466
14168b090698
15bd2889337
hex716800a6e

30442261102 has 32 divisors (see below), whose sum is σ = 50779451520. Its totient is φ = 13571189280.

The previous prime is 30442261067. The next prime is 30442261127. The reversal of 30442261102 is 20116224403.

It is a happy number.

It is a super-2 number, since 2×304422611022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292453 + ... + 382639.

It is an arithmetic number, because the mean of its divisors is an integer number (1586857860).

Almost surely, 230442261102 is an apocalyptic number.

30442261102 is a deficient number, since it is larger than the sum of its proper divisors (20337190418).

30442261102 is a wasteful number, since it uses less digits than its factorization.

30442261102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90496.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30442261102 its reverse (20116224403), we get a palindrome (50558485505).

The spelling of 30442261102 in words is "thirty billion, four hundred forty-two million, two hundred sixty-one thousand, one hundred two".

Divisors: 1 2 11 22 67 134 229 458 737 1474 2519 5038 15343 30686 90187 168773 180374 337546 992057 1984114 6042529 12085058 20652823 41305646 66467819 132935638 227181053 454362106 1383739141 2767478282 15221130551 30442261102