Search a number
-
+
102149775956800 = 2652111317177714779
BaseRepresentation
bin10111001110011110011001…
…000111000001101101000000
3111101200102102112001022122001
4113032132121013001231000
5101342110220121104200
61001130543110153344
730342035450235355
oct2716363107015500
9441612375038561
10102149775956800
112a603527541140
12b559389352854
1344cc8b4704910
141b3210b3b262c
15bc223b87376a
hex5ce7991c1b40

102149775956800 has 672 divisors, whose sum is σ = 312862414273920. Its totient is φ = 32250750566400.

The previous prime is 102149775956687. The next prime is 102149775956819. The reversal of 102149775956800 is 8659577941201.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6911811811 + ... + 6911826589.

It is an arithmetic number, because the mean of its divisors is an integer number (465569068860).

Almost surely, 2102149775956800 is an apocalyptic number.

102149775956800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102149775956800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156431207136960).

102149775956800 is an abundant number, since it is smaller than the sum of its proper divisors (210712638317120).

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

102149775956800 is a wasteful number, since it uses less digits than its factorization.

102149775956800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16619 (or 16604 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 102149775956800 in words is "one hundred two trillion, one hundred forty-nine billion, seven hundred seventy-five million, nine hundred fifty-six thousand, eight hundred".