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3215342142 = 234103192697
BaseRepresentation
bin1011111110100110…
…0011101000111110
322022002020022020000
42333221203220332
523041111422032
61251015535130
7142451646225
oct27751435076
98262208200
103215342142
1113aaa82161
1275898a4a6
133c31b0b1c
1422705dcbc
1513c42de7c
hexbfa63a3e

3215342142 has 40 divisors (see below), whose sum is σ = 7274734896. Its totient is φ = 1061369568.

The previous prime is 3215342111. The next prime is 3215342161. The reversal of 3215342142 is 2412435123.

It is a super-2 number, since 2×32153421422 = 20676850180242296328, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79663 + ... + 113034.

Almost surely, 23215342142 is an apocalyptic number.

3215342142 is an abundant number, since it is smaller than the sum of its proper divisors (4059392754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215342142 is a wasteful number, since it uses less digits than its factorization.

3215342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192814 (or 192805 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 3215342142 is about 56703.9870026791. The cubic root of 3215342142 is about 1475.9638847003.

Adding to 3215342142 its reverse (2412435123), we get a palindrome (5627777265).

The spelling of 3215342142 in words is "three billion, two hundred fifteen million, three hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 103 162 206 309 618 927 1854 2781 5562 8343 16686 192697 385394 578091 1156182 1734273 3468546 5202819 10405638 15608457 19847791 31216914 39695582 59543373 119086746 178630119 357260238 535890357 1071780714 1607671071 3215342142