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2530120214440 = 235713695087971
BaseRepresentation
bin100100110100010110111…
…010101010011110101000
322221212200102112222210101
4210310112322222132220
5312423141233330230
65214153212555144
7350536510656610
oct44642672523650
98855612488711
102530120214440
118960219a0195
1234a430182ab4
13154787947930
148a65c091a40
1545c33083aca
hex24d16eaa7a8

2530120214440 has 64 divisors (see below), whose sum is σ = 7006486757760. Its totient is φ = 800741341440.

The previous prime is 2530120214437. The next prime is 2530120214449. The reversal of 2530120214440 is 444120210352.

2530120214440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2530120214399 and 2530120214408.

It is not an unprimeable number, because it can be changed into a prime (2530120214449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347540346 + ... + 347547625.

It is an arithmetic number, because the mean of its divisors is an integer number (109476355590).

Almost surely, 22530120214440 is an apocalyptic number.

2530120214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530120214440 is an abundant number, since it is smaller than the sum of its proper divisors (4476366543320).

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

2530120214440 is a wasteful number, since it uses less digits than its factorization.

2530120214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695088002 (or 695087998 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2530120214440 its reverse (444120210352), we get a palindrome (2974240424792).

The spelling of 2530120214440 in words is "two trillion, five hundred thirty billion, one hundred twenty million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 695087971 1390175942 2780351884 3475439855 4865615797 5560703768 6950879710 9036143623 9731231594 13901759420 18072287246 19462463188 24328078985 27803518840 36144574492 38924926376 45180718115 48656157970 63253005361 72289148984 90361436230 97312315940 126506010722 180722872460 194624631880 253012021444 316265026805 361445744920 506024042888 632530053610 1265060107220 2530120214440