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30329131144 = 2313291626261
BaseRepresentation
bin11100001111110000…
…011101000010001000
32220021200121111102111
4130033300131002020
5444103224144034
621533310312104
72122404234604
oct341760350210
986250544374
1030329131144
1111954005144
125a651b8634
132b24622560
14167a042504
15bc798e364
hex70fc1d088

30329131144 has 16 divisors (see below), whose sum is σ = 61241515020. Its totient is φ = 13998060480.

The previous prime is 30329131141. The next prime is 30329131153. The reversal of 30329131144 is 44113192303.

It can be written as a sum of positive squares in 2 ways, for example, as 30223822500 + 105308644 = 173850^2 + 10262^2 .

It is not an unprimeable number, because it can be changed into a prime (30329131141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145813027 + ... + 145813234.

Almost surely, 230329131144 is an apocalyptic number.

It is an amenable number.

30329131144 is an abundant number, since it is smaller than the sum of its proper divisors (30912383876).

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

30329131144 is a wasteful number, since it uses less digits than its factorization.

30329131144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291626280 (or 291626276 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 30329131144 in words is "thirty billion, three hundred twenty-nine million, one hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 291626261 583252522 1166505044 2333010088 3791141393 7582282786 15164565572 30329131144