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211343111404 = 221031939292861
BaseRepresentation
bin1100010011010100000…
…1111111010011101100
3202012111212100110002121
43010311001333103230
511430312314031104
6241031212202324
721161164543435
oct3046501772354
9665455313077
10211343111404
11816a2749737
1234b624693a4
1316c1135a409
14a32c78848c
15576e1db254
hex313507f4ec

211343111404 has 48 divisors (see below), whose sum is σ = 375911565120. Its totient is φ = 103955005440.

The previous prime is 211343111387. The next prime is 211343111417. The reversal of 211343111404 is 404111343112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73868934 + ... + 73871794.

It is an arithmetic number, because the mean of its divisors is an integer number (7831490940).

Almost surely, 2211343111404 is an apocalyptic number.

It is an amenable number.

211343111404 is a deficient number, since it is larger than the sum of its proper divisors (164568453716).

211343111404 is a wasteful number, since it uses less digits than its factorization.

211343111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 211343111404 its reverse (404111343112), we get a palindrome (615454454516).

The spelling of 211343111404 in words is "two hundred eleven billion, three hundred forty-three million, one hundred eleven thousand, four hundred four".

Divisors: 1 2 4 103 193 206 386 412 772 929 1858 2861 3716 5722 11444 19879 39758 79516 95687 179297 191374 294683 358594 382748 552173 589366 717188 1104346 1178732 2208692 2657869 5315738 10631476 18467591 36935182 56873819 73870364 113747638 227495276 273760507 512968717 547521014 1025937434 1095042028 2051874868 52835777851 105671555702 211343111404