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2148192550 = 25276137693
BaseRepresentation
bin1000000000001010…
…1101000100100110
312112201012111012001
42000002231010212
513344414130200
6553055115514
7104143223020
oct20002550446
95481174161
102148192550
11a02664949
124bb512b9a
1328309266a
14165433010
15c88d676a
hex800ad126

2148192550 has 24 divisors (see below), whose sum is σ = 4566444336. Its totient is φ = 736523040.

The previous prime is 2148192491. The next prime is 2148192577. The reversal of 2148192550 is 552918412.

It is a super-2 number, since 2×21481925502 = 9229462463751005000, which contains 22 as substring.

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, 3068497 + ... + 3069196.

It is an arithmetic number, because the mean of its divisors is an integer number (190268514).

Almost surely, 22148192550 is an apocalyptic number.

2148192550 is an abundant number, since it is smaller than the sum of its proper divisors (2418251786).

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

2148192550 is a wasteful number, since it uses less digits than its factorization.

2148192550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137712 (or 6137707 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2148192550 is about 46348.5981449277. The cubic root of 2148192550 is about 1290.3011035205.

It can be divided in two parts, 214819 and 2550, that multiplied together give a triangular number (547788450 = T33099).

The spelling of 2148192550 in words is "two billion, one hundred forty-eight million, one hundred ninety-two thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 6137693 12275386 30688465 42963851 61376930 85927702 153442325 214819255 306884650 429638510 1074096275 2148192550