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30100242520 = 2354317500141
BaseRepresentation
bin11100000010000111…
…010100000001011000
32212200201220202021001
4130002013110001120
5443121130230040
621454452354344
72113624561045
oct340207240130
985621822231
1030100242520
1111846890797
125a006159b4
132ab90920ba
1416578a01cc
15bb282a59a
hex7021d4058

30100242520 has 32 divisors (see below), whose sum is σ = 69300562320. Its totient is φ = 11760094080.

The previous prime is 30100242511. The next prime is 30100242547. The reversal of 30100242520 is 2524200103.

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, 8748351 + ... + 8751790.

Almost surely, 230100242520 is an apocalyptic number.

It is an amenable number.

30100242520 is an abundant number, since it is smaller than the sum of its proper divisors (39200319800).

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

30100242520 is a wasteful number, since it uses less digits than its factorization.

30100242520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500195 (or 17500191 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30100242520 its reverse (2524200103), we get a palindrome (32624442623).

The spelling of 30100242520 in words is "thirty billion, one hundred million, two hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 17500141 35000282 70000564 87500705 140001128 175001410 350002820 700005640 752506063 1505012126 3010024252 3762530315 6020048504 7525060630 15050121260 30100242520