Search a number
-
+
55146247037 = 721125433613
BaseRepresentation
bin110011010110111110…
…001111001101111101
312021100020101121101222
4303112332033031331
51400414414401122
641200035243125
73661401236300
oct632676171575
9167306347358
1055146247037
1121429689682
12a8304494a5
13527acb520b
142951dc0b37
15167b588b42
hexcd6f8f37d

55146247037 has 6 divisors (see below), whose sum is σ = 64149715998. Its totient is φ = 47268211704.

The previous prime is 55146247019. The next prime is 55146247069. The reversal of 55146247037 is 73074264155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40806424036 + 14339823001 = 202006^2 + 119749^2 .

It is not a de Polignac number, because 55146247037 - 28 = 55146246781 is a prime.

It is a super-2 number, since 2×551462470372 (a number of 22 digits) contains 22 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 (55146247337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562716758 + ... + 562716855.

It is an arithmetic number, because the mean of its divisors is an integer number (10691619333).

Almost surely, 255146247037 is an apocalyptic number.

It is an amenable number.

55146247037 is a deficient number, since it is larger than the sum of its proper divisors (9003468961).

55146247037 is a wasteful number, since it uses less digits than its factorization.

55146247037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125433627 (or 1125433620 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 55146247037 in words is "fifty-five billion, one hundred forty-six million, two hundred forty-seven thousand, thirty-seven".

Divisors: 1 7 49 1125433613 7878035291 55146247037