Search a number
-
+
101211593472 = 28331123311867
BaseRepresentation
bin101111001000010101…
…1100101101100000000
3100200020121110200001000
41132100223211230000
53124240131442342
6114255043412000
710212055230663
oct1362053455400
9320217420030
10101211593472
1139a18340220
1217747684000
13970c832b62
144c81d2b6da
1529757b544c
hex1790ae5b00

101211593472 has 576 divisors, whose sum is σ = 351884574720. Its totient is φ = 28375142400.

The previous prime is 101211593447. The next prime is 101211593477. The reversal of 101211593472 is 274395112101.

It is a happy number.

101211593472 is a `hidden beast` number, since 1 + 0 + 1 + 21 + 1 + 593 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is not an unprimeable number, because it can be changed into a prime (101211593477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54209883 + ... + 54211749.

It is an arithmetic number, because the mean of its divisors is an integer number (610910720).

Almost surely, 2101211593472 is an apocalyptic number.

101211593472 is a gapful number since it is divisible by the number (12) 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 101211593472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175942287360).

101211593472 is an abundant number, since it is smaller than the sum of its proper divisors (250672981248).

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

101211593472 is a wasteful number, since it uses less digits than its factorization.

101211593472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 101211593472 in words is "one hundred one billion, two hundred eleven million, five hundred ninety-three thousand, four hundred seventy-two".