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2055511154 = 22531406067
BaseRepresentation
bin111101010000100…
…1001110001110010
312022020210210012202
41322201021301302
513202202324104
6535544423202
7101636361614
oct17241116162
95266723182
102055511154
11965311a54
12494477b02
13269b120b8
14156dc8db4
15c06ca51e
hex7a849c72

2055511154 has 8 divisors (see below), whose sum is σ = 3084492528. Its totient is φ = 1027346980.

The previous prime is 2055511153. The next prime is 2055511169. The reversal of 2055511154 is 4511155502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20555111542 = 8450252208436823432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055511153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197972 + ... + 208095.

It is an arithmetic number, because the mean of its divisors is an integer number (385561566).

Almost surely, 22055511154 is an apocalyptic number.

2055511154 is a deficient number, since it is larger than the sum of its proper divisors (1028981374).

2055511154 is a wasteful number, since it uses less digits than its factorization.

2055511154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408600.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 2055511154 is about 45337.7453563805. The cubic root of 2055511154 is about 1271.4714492618.

Adding to 2055511154 its reverse (4511155502), we get a palindrome (6566666656).

The spelling of 2055511154 in words is "two billion, fifty-five million, five hundred eleven thousand, one hundred fifty-four".

Divisors: 1 2 2531 5062 406067 812134 1027755577 2055511154