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55154155101 = 318384718367
BaseRepresentation
bin110011010111011100…
…011001111001011101
312021100210021101020020
4303113130121321131
51400423430430401
641200520542353
73661525404003
oct632734317135
9167323241206
1055154155101
11214330a0071
12a8330219b9
13527c823846
14295307ca73
15167c0ebd36
hexcd7719e5d

55154155101 has 4 divisors (see below), whose sum is σ = 73538873472. Its totient is φ = 36769436732.

The previous prime is 55154155061. The next prime is 55154155103. The reversal of 55154155101 is 10155145155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55154155101 - 29 = 55154154589 is a prime.

It is a super-3 number, since 3×551541551013 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154155103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9192359181 + ... + 9192359186.

It is an arithmetic number, because the mean of its divisors is an integer number (18384718368).

Almost surely, 255154155101 is an apocalyptic number.

It is an amenable number.

55154155101 is a deficient number, since it is larger than the sum of its proper divisors (18384718371).

55154155101 is a wasteful number, since it uses less digits than its factorization.

55154155101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384718370.

The product of its (nonzero) digits is 12500, while the sum is 33.

The spelling of 55154155101 in words is "fifty-five billion, one hundred fifty-four million, one hundred fifty-five thousand, one hundred one".

Divisors: 1 3 18384718367 55154155101