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20343023342 = 2149355919181
BaseRepresentation
bin10010111100100010…
…011110011011101110
31221111201222122210222
4102330202132123232
5313130303221332
613202341331342
71320055562645
oct227442363356
957451878728
1020343023342
11869a119594
123b38a06b52
131bc278a425
14dada9835c
157e0e27712
hex4bc89e6ee

20343023342 has 16 divisors (see below), whose sum is σ = 30729564000. Its totient is φ = 10099881120.

The previous prime is 20343023333. The next prime is 20343023377. The reversal of 20343023342 is 24332034302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050992 + ... + 1070172.

It is an arithmetic number, because the mean of its divisors is an integer number (1920597750).

Almost surely, 220343023342 is an apocalyptic number.

20343023342 is a deficient number, since it is larger than the sum of its proper divisors (10386540658).

20343023342 is a wasteful number, since it uses less digits than its factorization.

20343023342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22891.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20343023342 its reverse (24332034302), we get a palindrome (44675057644).

The spelling of 20343023342 in words is "twenty billion, three hundred forty-three million, twenty-three thousand, three hundred forty-two".

Divisors: 1 2 149 298 3559 7118 19181 38362 530291 1060582 2857969 5715938 68265179 136530358 10171511671 20343023342