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55199780414 = 227599890207
BaseRepresentation
bin110011011010001010…
…011100111000111110
312021110222010101101122
4303122022130320332
51401022120433124
641205230510542
73662621251262
oct633212347076
9167428111348
1055199780414
1121456923039
12a846365452
13528910997c
1429591580a2
15168111075e
hexcda29ce3e

55199780414 has 4 divisors (see below), whose sum is σ = 82799670624. Its totient is φ = 27599890206.

The previous prime is 55199780401. The next prime is 55199780417. The reversal of 55199780414 is 41408799155.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×551997804142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55199780417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13799945102 + ... + 13799945105.

It is an arithmetic number, because the mean of its divisors is an integer number (20699917656).

Almost surely, 255199780414 is an apocalyptic number.

55199780414 is a deficient number, since it is larger than the sum of its proper divisors (27599890210).

55199780414 is a wasteful number, since it uses less digits than its factorization.

55199780414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27599890209.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 55199780414 in words is "fifty-five billion, one hundred ninety-nine million, seven hundred eighty thousand, four hundred fourteen".

Divisors: 1 2 27599890207 55199780414