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30210033144 = 2331258751381
BaseRepresentation
bin11100001000101010…
…001000010111111000
32212222101111200200110
4130020222020113320
5443332232030034
621513413504320
72116430021244
oct341052102770
985871450613
1030210033144
11118a285a045
125a313420a0
132b05a53075
1416682bd424
15bbc2b5de9
hex708a885f8

30210033144 has 16 divisors (see below), whose sum is σ = 75525082920. Its totient is φ = 10070011040.

The previous prime is 30210033131. The next prime is 30210033181. The reversal of 30210033144 is 44133001203.

It is a super-2 number, since 2×302100331442 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30210033144.

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, 629375667 + ... + 629375714.

Almost surely, 230210033144 is an apocalyptic number.

It is an amenable number.

30210033144 is an abundant number, since it is smaller than the sum of its proper divisors (45315049776).

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

30210033144 is a wasteful number, since it uses less digits than its factorization.

30210033144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258751390 (or 1258751386 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30210033144 its reverse (44133001203), we get a palindrome (74343034347).

The spelling of 30210033144 in words is "thirty billion, two hundred ten million, thirty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1258751381 2517502762 3776254143 5035005524 7552508286 10070011048 15105016572 30210033144