Search a number
-
+
54040020510 = 23571132277287
BaseRepresentation
bin110010010101000010…
…010100011000011110
312011111010211110220010
4302111002110120132
51341133221124020
640454201104050
73622106411130
oct622502243036
9164433743803
1054040020510
1120a11201283
12a581a88026
135132a643c8
142889101050
1516143c2de0
hexc9509461e

54040020510 has 64 divisors (see below), whose sum is σ = 149535839232. Its totient is φ = 12242689536.

The previous prime is 54040020499. The next prime is 54040020523. The reversal of 54040020510 is 1502004045.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114914 + ... + 1162373.

It is an arithmetic number, because the mean of its divisors is an integer number (2336497488).

Almost surely, 254040020510 is an apocalyptic number.

54040020510 is an abundant number, since it is smaller than the sum of its proper divisors (95495818722).

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

54040020510 is a wasteful number, since it uses less digits than its factorization.

54040020510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277417.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 54040020510 its reverse (1502004045), we get a palindrome (55542024555).

The spelling of 54040020510 in words is "fifty-four billion, forty million, twenty thousand, five hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 113 210 226 339 565 678 791 1130 1582 1695 2373 3390 3955 4746 7910 11865 23730 2277287 4554574 6831861 11386435 13663722 15941009 22772870 31882018 34159305 47823027 68318610 79705045 95646054 159410090 239115135 257333431 478230270 514666862 772000293 1286667155 1544000586 1801334017 2573334310 3602668034 3860001465 5404002051 7720002930 9006670085 10808004102 18013340170 27020010255 54040020510