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30258931600 = 2452311243239
BaseRepresentation
bin11100001011100100…
…101010011110010000
32220002210111222202101
4130023210222132100
5443432241302400
621522321530144
72120562450322
oct341344523620
986083458671
1030258931600
1111918418197
125a457a3954
132b12c13c71
1416709ab612
15bc172456a
hex70b92a790

30258931600 has 60 divisors (see below), whose sum is σ = 72931135680. Its totient is φ = 12064604800.

The previous prime is 30258931543. The next prime is 30258931607. The reversal of 30258931600 is 613985203.

It is a self number, because there is not a number n which added to its sum of digits gives 30258931600.

It is not an unprimeable number, because it can be changed into a prime (30258931607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2781 + ... + 246019.

It is an arithmetic number, because the mean of its divisors is an integer number (1215518928).

Almost surely, 230258931600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30258931600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36465567840).

30258931600 is an abundant number, since it is smaller than the sum of its proper divisors (42672204080).

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

30258931600 is a wasteful number, since it uses less digits than its factorization.

30258931600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243568 (or 243557 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 30258931600 in words is "thirty billion, two hundred fifty-eight million, nine hundred thirty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 311 400 622 1244 1555 2488 3110 4976 6220 7775 12440 15550 24880 31100 62200 124400 243239 486478 972956 1216195 1945912 2432390 3891824 4864780 6080975 9729560 12161950 19459120 24323900 48647800 75647329 97295600 151294658 302589316 378236645 605178632 756473290 1210357264 1512946580 1891183225 3025893160 3782366450 6051786320 7564732900 15129465800 30258931600