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2630232840 = 233521918607
BaseRepresentation
bin1001110011000110…
…0010101100001000
320210022020200011010
42130301202230020
520341314422330
61112555003520
7122115416214
oct23461425410
96708220133
102630232840
11112a774954
12614a395a0
1332bbc9bc1
141ad471944
15105da33b0
hex9cc62b08

2630232840 has 32 divisors (see below), whose sum is σ = 7890698880. Its totient is φ = 701395392.

The previous prime is 2630232821. The next prime is 2630232841. The reversal of 2630232840 is 482320362.

It is a super-2 number, since 2×26302328402 = 13836249585228931200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2630232798 and 2630232807.

It is not an unprimeable number, because it can be changed into a prime (2630232841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959184 + ... + 10959423.

It is an arithmetic number, because the mean of its divisors is an integer number (246584340).

Almost surely, 22630232840 is an apocalyptic number.

2630232840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2630232840 is an abundant number, since it is smaller than the sum of its proper divisors (5260466040).

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

2630232840 is a wasteful number, since it uses less digits than its factorization.

2630232840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21918621 (or 21918617 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2630232840 is about 51285.7956943246. The cubic root of 2630232840 is about 1380.3781152498.

The spelling of 2630232840 in words is "two billion, six hundred thirty million, two hundred thirty-two thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 21918607 43837214 65755821 87674428 109593035 131511642 175348856 219186070 263023284 328779105 438372140 526046568 657558210 876744280 1315116420 2630232840