Search a number
-
+
30031220102 = 2131155046927
BaseRepresentation
bin11011111110000000…
…000000110110000110
32212111221001001022012
4123332000000312012
5443000443020402
621443545134222
72112126105362
oct337600006606
985457031265
1030031220102
1111810928174
1259a148a372
132aa79a6530
14164c6542a2
15bab744452
hex6fe000d86

30031220102 has 8 divisors (see below), whose sum is σ = 48511970976. Its totient is φ = 13860563112.

The previous prime is 30031220047. The next prime is 30031220117. The reversal of 30031220102 is 20102213003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577523438 + ... + 577523489.

It is an arithmetic number, because the mean of its divisors is an integer number (6063996372).

Almost surely, 230031220102 is an apocalyptic number.

30031220102 is a deficient number, since it is larger than the sum of its proper divisors (18480750874).

30031220102 is a wasteful number, since it uses less digits than its factorization.

30031220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155046942.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30031220102 its reverse (20102213003), we get a palindrome (50133433105).

The spelling of 30031220102 in words is "thirty billion, thirty-one million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 13 26 1155046927 2310093854 15015610051 30031220102