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2640214434550 = 252711191031392521
BaseRepresentation
bin100110011010111001000…
…010110010001011110110
3100100101212002020211212011
4212122321002302023312
5321224124343401200
65340521530114434
7361514655260350
oct46327102621366
910311762224764
102640214434550
11928788244260
1236783657ba1a
13161c81813584
1491b039a00d0
1548a2858d5ba
hex266b90b22f6

2640214434550 has 384 divisors, whose sum is σ = 6556780339200. Its totient is φ = 766184832000.

The previous prime is 2640214434503. The next prime is 2640214434563. The reversal of 2640214434550 is 554344120462.

2640214434550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×26402144345504 (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1047287290 + ... + 1047289810.

It is an arithmetic number, because the mean of its divisors is an integer number (17074948800).

Almost surely, 22640214434550 is an apocalyptic number.

2640214434550 is an abundant number, since it is smaller than the sum of its proper divisors (3916565904650).

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

2640214434550 is a wasteful number, since it uses less digits than its factorization.

2640214434550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 2640214434550 in words is "two trillion, six hundred forty billion, two hundred fourteen million, four hundred thirty-four thousand, five hundred fifty".