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2142255302 = 21197375241
BaseRepresentation
bin111111110110000…
…0011100011000110
312112022000211210222
41333230003203012
513341404132202
6552323544342
7104041604165
oct17754034306
95468024728
102142255302
119aa27a130
124b952b0b2
13281a940b5
141647293dc
15c81124a2
hex7fb038c6

2142255302 has 8 divisors (see below), whose sum is σ = 3505508712. Its totient is φ = 973752400.

The previous prime is 2142255293. The next prime is 2142255319. The reversal of 2142255302 is 2035522412.

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

It is a super-2 number, since 2×21422553022 = 9178515557894222408, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 48687599 + ... + 48687642.

It is an arithmetic number, because the mean of its divisors is an integer number (438188589).

Almost surely, 22142255302 is an apocalyptic number.

2142255302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2142255302 is a deficient number, since it is larger than the sum of its proper divisors (1363253410).

2142255302 is a wasteful number, since it uses less digits than its factorization.

2142255302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97375254.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2142255302 is about 46284.5039078956. The cubic root of 2142255302 is about 1289.1112805901. Note that the first 3 decimals are identical.

Adding to 2142255302 its reverse (2035522412), we get a palindrome (4177777714).

The spelling of 2142255302 in words is "two billion, one hundred forty-two million, two hundred fifty-five thousand, three hundred two".

Divisors: 1 2 11 22 97375241 194750482 1071127651 2142255302