Search a number
-
+
105377390899200 = 21236527201661
BaseRepresentation
bin10111111101011100010101…
…111100111011000000000000
3111211002222110112222201000000
4113331130111330323000000
5102303000344032233300
61012041412144000000
731124156660464560
oct2775342574730000
9454088415881000
10105377390899200
1130638333a85a62
12b99aa17000000
1346a5078762494
141c04415b44da0
15c2b193a91c00
hex5fd715f3b000

105377390899200 has 1092 divisors, whose sum is σ = 447747158842288. Its totient is φ = 24086141337600.

The previous prime is 105377390899091. The next prime is 105377390899211. The reversal of 105377390899200 is 2998093773501.

105377390899200 is a `hidden beast` number, since 1 + 0 + 5 + 37 + 7 + 390 + 8 + 9 + 9 + 200 = 666.

105377390899200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1053773908992002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 522446370 + ... + 522648030.

Almost surely, 2105377390899200 is an apocalyptic number.

105377390899200 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 105377390899200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223873579421144).

105377390899200 is an abundant number, since it is smaller than the sum of its proper divisors (342369767943088).

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

105377390899200 is an frugal number, since it uses more digits than its factorization.

105377390899200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201720 (or 201678 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 105377390899200 in words is "one hundred five trillion, three hundred seventy-seven billion, three hundred ninety million, eight hundred ninety-nine thousand, two hundred".