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18408011083 = 711243673751
BaseRepresentation
bin10001001001001100…
…111111010101001011
31202111212220212000021
4101021030333111023
5300144422323313
612242335321311
71221111340540
oct211114772513
952455825007
1018408011083
11789692a200
123698980237
131974918367
14c68ab8bc7
1572b10078d
hex44933f54b

18408011083 has 48 divisors (see below), whose sum is σ = 23728595968. Its totient is φ = 13970880000.

The previous prime is 18408011071. The next prime is 18408011093. The reversal of 18408011083 is 38011080481.

It is not a de Polignac number, because 18408011083 - 221 = 18405913931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18408011003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24510958 + ... + 24511708.

Almost surely, 218408011083 is an apocalyptic number.

18408011083 is a deficient number, since it is larger than the sum of its proper divisors (5320584885).

18408011083 is a wasteful number, since it uses less digits than its factorization.

18408011083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The spelling of 18408011083 in words is "eighteen billion, four hundred eight million, eleven thousand, eighty-three".

Divisors: 1 7 11 43 77 121 301 473 673 751 847 3311 4711 5203 5257 7403 8261 28939 32293 36421 51821 57827 81433 90871 202573 226051 318329 355223 505423 570031 636097 2228303 2486561 3501619 3537961 3907453 5559653 21733189 24511333 27352171 38917571 61156183 152132323 239065079 428093281 1673455553 2629715869 18408011083