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2070040077 = 33793711689
BaseRepresentation
bin111101101100010…
…0100111000001101
312100021010221011000
41323120210320031
513214412240302
6541224050513
7102204023160
oct17330447015
95307127130
102070040077
11972535826
12499303a39
1326cb2b1b1
14158ccbad7
15c1aea31c
hex7b624e0d

2070040077 has 32 divisors (see below), whose sum is σ = 3508870400. Its totient is φ = 1181516544.

The previous prime is 2070040067. The next prime is 2070040079. The reversal of 2070040077 is 7700400702.

It is a happy number.

2070040077 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2070040077 - 24 = 2070040061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2070040077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070040079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171249 + ... + 182937.

It is an arithmetic number, because the mean of its divisors is an integer number (109652200).

Almost surely, 22070040077 is an apocalyptic number.

2070040077 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2070040077 is a deficient number, since it is larger than the sum of its proper divisors (1438830323).

2070040077 is a wasteful number, since it uses less digits than its factorization.

2070040077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2070040077 is about 45497.6930953647. The cubic root of 2070040077 is about 1274.4601229876.

Adding to 2070040077 its reverse (7700400702), we get a palindrome (9770440779).

The spelling of 2070040077 in words is "two billion, seventy million, forty thousand, seventy-seven".

Divisors: 1 3 7 9 21 27 63 189 937 2811 6559 8433 11689 19677 25299 35067 59031 81823 105201 177093 245469 315603 736407 2209221 10952593 32857779 76668151 98573337 230004453 295720011 690013359 2070040077