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2145115030530 = 235174206107903
BaseRepresentation
bin11111001101110010110…
…100011100010000000010
321121001220202101012111110
4133031302310130100002
5240121143421434110
64321241403424150
7310656643624563
oct37156264342002
97531822335443
102145115030530
1175781356a08a
122a78a2825056
1312738ba5bc44
1475b7756416a
153abeccc8a20
hex1f372d1c402

2145115030530 has 32 divisors (see below), whose sum is σ = 5451115843584. Its totient is φ = 538381811456.

The previous prime is 2145115030511. The next prime is 2145115030573. The reversal of 2145115030530 is 350305115412.

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

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, 2103053442 + ... + 2103054461.

It is an arithmetic number, because the mean of its divisors is an integer number (170347370112).

Almost surely, 22145115030530 is an apocalyptic number.

2145115030530 is an abundant number, since it is smaller than the sum of its proper divisors (3306000813054).

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

2145115030530 is a wasteful number, since it uses less digits than its factorization.

2145115030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206107930.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 2145115030530 in words is "two trillion, one hundred forty-five billion, one hundred fifteen million, thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 4206107903 8412215806 12618323709 21030539515 25236647418 42061079030 63091618545 71503834351 126183237090 143007668702 214511503053 357519171755 429023006106 715038343510 1072557515265 2145115030530