Search a number
-
+
74525236020 = 22325414029089
BaseRepresentation
bin100010101101000001…
…1001101101100110100
321010100210101020200200
41011122003031230310
52210111430023040
654123022240500
75245543024404
oct1053203155464
9233323336620
1074525236020
1129673609954
121253a426130
137048b188c1
14386da10804
151e12a36630
hex115a0cdb34

74525236020 has 36 divisors (see below), whose sum is σ = 226059883140. Its totient is φ = 19873396224.

The previous prime is 74525235859. The next prime is 74525236061. The reversal of 74525236020 is 2063252547.

74525236020 is a `hidden beast` number, since 7 + 4 + 5 + 25 + 23 + 602 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22426260516 + 52098975504 = 149754^2 + 228252^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 207014365 + ... + 207014724.

Almost surely, 274525236020 is an apocalyptic number.

It is an amenable number.

74525236020 is an abundant number, since it is smaller than the sum of its proper divisors (151534647120).

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

74525236020 is a wasteful number, since it uses less digits than its factorization.

74525236020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414029104 (or 414029099 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 74525236020 its reverse (2063252547), we get a palindrome (76588488567).

The spelling of 74525236020 in words is "seventy-four billion, five hundred twenty-five million, two hundred thirty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 414029089 828058178 1242087267 1656116356 2070145445 2484174534 3726261801 4140290890 4968349068 6210436335 7452523602 8280581780 12420872670 14905047204 18631309005 24841745340 37262618010 74525236020