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2153623143 = 372947671123
BaseRepresentation
bin1000000001011101…
…1010111001100111
312120002102101120010
42000113122321213
513402311420033
6553411341303
7104240331450
oct20027327147
95502371503
102153623143
11a05733a41
125012b1833
13284244429
14166048127
15c910a863
hex805dae67

2153623143 has 64 divisors (see below), whose sum is σ = 3521986560. Its totient is φ = 1144547712.

The previous prime is 2153623141. The next prime is 2153623159. The reversal of 2153623143 is 3413263512.

2153623143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2153623143 - 21 = 2153623141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153623143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153623141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1917180 + ... + 1918302.

It is an arithmetic number, because the mean of its divisors is an integer number (55031040).

Almost surely, 22153623143 is an apocalyptic number.

2153623143 is a deficient number, since it is larger than the sum of its proper divisors (1368363417).

2153623143 is a wasteful number, since it uses less digits than its factorization.

2153623143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its digits is 12960, while the sum is 30.

The square root of 2153623143 is about 46407.1453873216. The cubic root of 2153623143 is about 1291.3874747602.

Adding to 2153623143 its reverse (3413263512), we get a palindrome (5566886655).

The spelling of 2153623143 in words is "two billion, one hundred fifty-three million, six hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 7 21 29 47 67 87 141 201 203 329 469 609 987 1123 1363 1407 1943 3149 3369 4089 5829 7861 9447 9541 13601 22043 23583 28623 32567 40803 52781 66129 75241 91321 97701 158343 225723 227969 273963 369467 526687 639247 683907 1108401 1530649 1580061 1917741 2181989 3536327 4591947 6545967 10608981 10714543 15273923 24754289 32143629 45821769 74262867 102553483 307660449 717874381 2153623143