Search a number
-
+
55154315111 = 7671033113843
BaseRepresentation
bin110011010111011101…
…000000111101100111
312021100210120111201112
4303113131000331213
51400424001040421
641200524215235
73661526641340
oct632735007547
9167323514645
1055154315111
112143319a305
12a83309a51b
13527c87b61c
1429530c10c7
15167c12e45b
hexcd7740f67

55154315111 has 16 divisors (see below), whose sum is σ = 64036794624. Its totient is φ = 46524037824.

The previous prime is 55154315101. The next prime is 55154315189. The reversal of 55154315111 is 11151345155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55154315111 - 210 = 55154314087 is a prime.

It is a super-3 number, since 3×551543151113 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154315101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427556 + ... + 541398.

It is an arithmetic number, because the mean of its divisors is an integer number (4002299664).

Almost surely, 255154315111 is an apocalyptic number.

55154315111 is a deficient number, since it is larger than the sum of its proper divisors (8882479513).

55154315111 is a wasteful number, since it uses less digits than its factorization.

55154315111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114950.

The product of its digits is 7500, while the sum is 32.

The spelling of 55154315111 in words is "fifty-five billion, one hundred fifty-four million, three hundred fifteen thousand, one hundred eleven".

Divisors: 1 7 67 469 1033 7231 69211 113843 484477 796901 7627481 53392367 117599819 823198733 7879187873 55154315111