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2431020030 = 235127638063
BaseRepresentation
bin1001000011100110…
…0110101111111110
320021102101121112220
42100321212233332
514434320120110
61041121110210
7114146220645
oct22071465776
96242347486
102431020030
11103827a36a
1257a188366
132c9859cba
14190c1635c
15e3652370
hex90e66bfe

2431020030 has 32 divisors (see below), whose sum is σ = 5880397824. Its totient is φ = 643166496.

The previous prime is 2431019993. The next prime is 2431020071. The reversal of 2431020030 is 300201342.

It is a super-2 number, since 2×24310200302 = 11819716772522401800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2431019991 and 2431020009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315222 + ... + 322841.

It is an arithmetic number, because the mean of its divisors is an integer number (183762432).

Almost surely, 22431020030 is an apocalyptic number.

2431020030 is an abundant number, since it is smaller than the sum of its proper divisors (3449377794).

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

2431020030 is a wasteful number, since it uses less digits than its factorization.

2431020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638200.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2431020030 is about 49305.3752647721. The cubic root of 2431020030 is about 1344.6095115320.

Adding to 2431020030 its reverse (300201342), we get a palindrome (2731221372).

The spelling of 2431020030 in words is "two billion, four hundred thirty-one million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 638063 1276126 1914189 3190315 3828378 6380630 9570945 19141890 81034001 162068002 243102003 405170005 486204006 810340010 1215510015 2431020030