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50000555488 = 2513432795201
BaseRepresentation
bin101110100100010000…
…111110110111100000
311210001121212101121111
4232210100332313200
51304400120233423
634545301233104
73420026465152
oct564420766740
9153047771544
1050000555488
111a229012434
129835102794
13493ac05810
1425c4836ad2
15147995460d
hexba443ede0

50000555488 has 48 divisors (see below), whose sum is σ = 108476199216. Its totient is φ = 22540492800.

The previous prime is 50000555387. The next prime is 50000555489. The reversal of 50000555488 is 88455500005.

50000555488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50000555488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000555489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379713 + ... + 1415488.

It is an arithmetic number, because the mean of its divisors is an integer number (2259920817).

Almost surely, 250000555488 is an apocalyptic number.

It is an amenable number.

50000555488 is an abundant number, since it is smaller than the sum of its proper divisors (58475643728).

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

50000555488 is a wasteful number, since it uses less digits than its factorization.

50000555488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795267 (or 2795259 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 50000555488 in words is "fifty billion, five hundred fifty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 32 43 52 86 104 172 208 344 416 559 688 1118 1376 2236 4472 8944 17888 2795201 5590402 11180804 22361608 36337613 44723216 72675226 89446432 120193643 145350452 240387286 290700904 480774572 581401808 961549144 1162803616 1562517359 1923098288 3125034718 3846196576 6250069436 12500138872 25000277744 50000555488