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213154211342 = 2473191710623
BaseRepresentation
bin1100011010000011111…
…0110010011000001110
3202101012002020212011002
43012200332302120032
511443014434230332
6241531030300302
721254105621252
oct3064076623016
9671162225132
10213154211342
1182441aa4946
1235388ab7692
131713c635897
14a461110262
1558281d8562
hex31a0fb260e

213154211342 has 16 divisors (see below), whose sum is σ = 326636900352. Its totient is φ = 104276672280.

The previous prime is 213154211321. The next prime is 213154211363. The reversal of 213154211342 is 243112451312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213154211321) and next prime (213154211363).

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, 55358 + ... + 655265.

It is an arithmetic number, because the mean of its divisors is an integer number (20414806272).

Almost surely, 2213154211342 is an apocalyptic number.

213154211342 is a deficient number, since it is larger than the sum of its proper divisors (113482689010).

213154211342 is a wasteful number, since it uses less digits than its factorization.

213154211342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713863.

The product of its digits is 5760, while the sum is 29.

Adding to 213154211342 its reverse (243112451312), we get a palindrome (456266662654).

The spelling of 213154211342 in words is "two hundred thirteen billion, one hundred fifty-four million, two hundred eleven thousand, three hundred forty-two".

Divisors: 1 2 47 94 3191 6382 149977 299954 710623 1421246 33399281 66798562 2267597993 4535195986 106577105671 213154211342