Search a number
-
+
72037652279040 = 2834572891071489
BaseRepresentation
bin10000011000010010010010…
…101011001010111100000000
3100110001201202211212120120000
4100120102102223022330000
533420231102440412130
6413113350211320000
721113356115154300
oct2030222253127400
9313051684776500
1072037652279040
1120a53aa676a498
1280b5467bb0000
133127176b0a516
1413b08d8b91600
1584dce830e260
hex418492acaf00

72037652279040 has 2160 divisors, whose sum is σ = 306256214325600. Its totient is φ = 16117752397824.

The previous prime is 72037652279029. The next prime is 72037652279101. The reversal of 72037652279040 is 4097225673027.

It is a happy number.

72037652279040 is a `hidden beast` number, since 7 + 2 + 0 + 3 + 7 + 6 + 522 + 79 + 0 + 40 = 666.

72037652279040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 48379886616 + ... + 48379888104.

It is an arithmetic number, because the mean of its divisors is an integer number (141785284410).

Almost surely, 272037652279040 is an apocalyptic number.

72037652279040 is a gapful number since it is divisible by the number (70) 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 72037652279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153128107162800).

72037652279040 is an abundant number, since it is smaller than the sum of its proper divisors (234218562046560).

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

72037652279040 is a wasteful number, since it uses less digits than its factorization.

72037652279040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 72037652279040 in words is "seventy-two trillion, thirty-seven billion, six hundred fifty-two million, two hundred seventy-nine thousand, forty".