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30232220144 = 247535093029
BaseRepresentation
bin11100001001111110…
…110001000111110000
32220000221020220112012
4130021332301013300
5443403422021034
621515525222052
72120116426340
oct341176610760
986027226465
1030232220144
1111904333505
125a38861928
132b0a520a79
14166b216d20
15bbe1e9cce
hex709fb11f0

30232220144 has 40 divisors (see below), whose sum is σ = 68205857760. Its totient is φ = 12712197888.

The previous prime is 30232220111. The next prime is 30232220173. The reversal of 30232220144 is 44102223203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540579 + ... + 2552450.

It is an arithmetic number, because the mean of its divisors is an integer number (1705146444).

Almost surely, 230232220144 is an apocalyptic number.

It is an amenable number.

30232220144 is an abundant number, since it is smaller than the sum of its proper divisors (37973637616).

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

30232220144 is a wasteful number, since it uses less digits than its factorization.

30232220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093097 (or 5093091 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30232220144 its reverse (44102223203), we get a palindrome (74334443347).

The spelling of 30232220144 in words is "thirty billion, two hundred thirty-two million, two hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 53 56 106 112 212 371 424 742 848 1484 2968 5936 5093029 10186058 20372116 35651203 40744232 71302406 81488464 142604812 269930537 285209624 539861074 570419248 1079722148 1889513759 2159444296 3779027518 4318888592 7558055036 15116110072 30232220144