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2240121077 = 43791076163
BaseRepresentation
bin1000010110000101…
…1000100011110101
312210010011221102022
42011201120203311
514041432333302
61010141322525
7106340500145
oct20541304365
95703157368
102240121077
11a4a543137
12526266445
1329913b33c
14173722925
15d19e48a2
hex858588f5

2240121077 has 16 divisors (see below), whose sum is σ = 2343306240. Its totient is φ = 2139791472.

The previous prime is 2240121073. The next prime is 2240121119. The reversal of 2240121077 is 7701210422.

It is not a de Polignac number, because 2240121077 - 22 = 2240121073 is a prime.

It is a super-4 number, since 4×22401210774 (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240121073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360398 + ... + 366560.

It is an arithmetic number, because the mean of its divisors is an integer number (146456640).

Almost surely, 22240121077 is an apocalyptic number.

It is an amenable number.

2240121077 is a deficient number, since it is larger than the sum of its proper divisors (103185163).

2240121077 is a wasteful number, since it uses less digits than its factorization.

2240121077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 2240121077 is about 47329.9173567840. The cubic root of 2240121077 is about 1308.4500981088.

Adding to 2240121077 its reverse (7701210422), we get a palindrome (9941331499).

The spelling of 2240121077 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, seventy-seven".

Divisors: 1 43 79 107 3397 4601 6163 8453 265009 363479 486877 659441 20935711 28355963 52095839 2240121077