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12552550000 = 2455251051
BaseRepresentation
bin10111011000011000…
…01011011001110000
31012101210211121110021
423230030023121300
5201201423100000
65433324413224
7623030625454
oct135414133160
935353747407
1012552550000
115361650671
1225239a7214
1312507888a3
14871172664
154d701911a
hex2ec30b670

12552550000 has 60 divisors (see below), whose sum is σ = 30398882472. Its totient is φ = 5021000000.

The previous prime is 12552549949. The next prime is 12552550019. The reversal of 12552550000 is 5525521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75526 + ... + 175525.

Almost surely, 212552550000 is an apocalyptic number.

12552550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12552550000 is an abundant number, since it is smaller than the sum of its proper divisors (17846332472).

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

12552550000 is an frugal number, since it uses more digits than its factorization.

12552550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251084 (or 251058 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 12552550000 in words is "twelve billion, five hundred fifty-two million, five hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 25000 50000 251051 502102 1004204 1255255 2008408 2510510 4016816 5021020 6276275 10042040 12552550 20084080 25105100 31381375 50210200 62762750 100420400 125525500 156906875 251051000 313813750 502102000 627627500 784534375 1255255000 1569068750 2510510000 3138137500 6276275000 12552550000