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2115423504 = 243214690441
BaseRepresentation
bin111111000010110…
…1100110100010000
312110102112122111200
41332011230310100
513313022023004
6545524511200
7103264542315
oct17605546420
95412478450
102115423504
11996112a97
124b054b500
1327935b1ac
14160d42d0c
15c5ab2239
hex7e16cd10

2115423504 has 30 divisors (see below), whose sum is σ = 5920248126. Its totient is φ = 705141120.

The previous prime is 2115423481. The next prime is 2115423521. The reversal of 2115423504 is 4053245112.

2115423504 is a `hidden beast` number, since 2 + 1 + 154 + 2 + 3 + 504 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2056441104 + 58982400 = 45348^2 + 7680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7345077 + ... + 7345364.

Almost surely, 22115423504 is an apocalyptic number.

2115423504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2115423504 is an abundant number, since it is smaller than the sum of its proper divisors (3804824622).

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

2115423504 is a wasteful number, since it uses less digits than its factorization.

2115423504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690455 (or 14690446 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2115423504 is about 45993.7333122677. The cubic root of 2115423504 is about 1283.7066031237.

Adding to 2115423504 its reverse (4053245112), we get a palindrome (6168668616).

The spelling of 2115423504 in words is "two billion, one hundred fifteen million, four hundred twenty-three thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 14690441 29380882 44071323 58761764 88142646 117523528 132213969 176285292 235047056 264427938 352570584 528855876 705141168 1057711752 2115423504