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2513145440 = 255131208243
BaseRepresentation
bin1001010111001011…
…1000111001100000
320111010221000102202
42111302320321200
520121331123230
61053213232332
7116164245431
oct22562707140
96433830382
102513145440
11107a672403
125a17926a8
13310882910
1419bab3488
15ea975a45
hex95cb8e60

2513145440 has 48 divisors (see below), whose sum is σ = 6394027248. Its totient is φ = 927929856.

The previous prime is 2513145433. The next prime is 2513145451. The reversal of 2513145440 is 445413152.

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, 602042 + ... + 606201.

It is an arithmetic number, because the mean of its divisors is an integer number (133208901).

Almost surely, 22513145440 is an apocalyptic number.

2513145440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513145440 is an abundant number, since it is smaller than the sum of its proper divisors (3880881808).

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

2513145440 is a wasteful number, since it uses less digits than its factorization.

2513145440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208271 (or 1208263 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2513145440 is about 50131.2820502329. The cubic root of 2513145440 is about 1359.5834652875.

Adding to 2513145440 its reverse (445413152), we get a palindrome (2958558592).

The spelling of 2513145440 in words is "two billion, five hundred thirteen million, one hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 1208243 2416486 4832972 6041215 9665944 12082430 15707159 19331888 24164860 31414318 38663776 48329720 62828636 78535795 96659440 125657272 157071590 193318880 251314544 314143180 502629088 628286360 1256572720 2513145440