Search a number
-
+
103115191536 = 2435721961467
BaseRepresentation
bin110000000001000100…
…1001111010011110000
3100212011021102110200000
41200002021033103300
53142134442112121
6115212004230000
710310201444400
oct1400211172360
9325137373600
10103115191536
113a804923665
1217b9909b300
139954026346
144dc2a90800
152a37984526
hex180224f4f0

103115191536 has 720 divisors, whose sum is σ = 373254860160. Its totient is φ = 27394536960.

The previous prime is 103115191507. The next prime is 103115191559. The reversal of 103115191536 is 635191511301.

It is a happy number.

103115191536 is a `hidden beast` number, since 1 + 0 + 3 + 115 + 1 + 9 + 1 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 103115191536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 220803175 + ... + 220803641.

It is an arithmetic number, because the mean of its divisors is an integer number (518409528).

Almost surely, 2103115191536 is an apocalyptic number.

103115191536 is a gapful number since it is divisible by the number (16) 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 103115191536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186627430080).

103115191536 is an abundant number, since it is smaller than the sum of its proper divisors (270139668624).

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

103115191536 is a wasteful number, since it uses less digits than its factorization.

103115191536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The spelling of 103115191536 in words is "one hundred three billion, one hundred fifteen million, one hundred ninety-one thousand, five hundred thirty-six".