Search a number
-
+
2015350186550 = 252192121421249
BaseRepresentation
bin11101010100111100001…
…110110110001000110110
321010122222012221010021212
4131110330032312020312
5231004414121432200
64141501124441422
7265414153636361
oct35247416661066
97118865833255
102015350186550
11707783705178
12286708849272
1311807b8004ac
146d7873cd0d8
1537655916035
hex1d53c3b6236

2015350186550 has 24 divisors (see below), whose sum is σ = 3945843525000. Its totient is φ = 763711649280.

The previous prime is 2015350186523. The next prime is 2015350186561. The reversal of 2015350186550 is 556810535102.

It is a junction number, because it is equal to n+sod(n) for n = 2015350186498 and 2015350186507.

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, 1060709675 + ... + 1060711574.

It is an arithmetic number, because the mean of its divisors is an integer number (164410146875).

Almost surely, 22015350186550 is an apocalyptic number.

2015350186550 is a deficient number, since it is larger than the sum of its proper divisors (1930493338450).

2015350186550 is a wasteful number, since it uses less digits than its factorization.

2015350186550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121421280 (or 2121421275 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 2015350186550 in words is "two trillion, fifteen billion, three hundred fifty million, one hundred eighty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 2121421249 4242842498 10607106245 21214212490 40307003731 53035531225 80614007462 106071062450 201535018655 403070037310 1007675093275 2015350186550