Search a number
-
+
55431502124 = 2213857875531
BaseRepresentation
bin110011100111111110…
…011001100100101100
312022002010011001211012
4303213332121210230
51402010431031444
641244225244352
74001433664625
oct634776314454
9168063131735
1055431502124
1121565701a89
12a8aba936b8
1352c511c7cb
14297bc36a4c
151696633b9e
hexce7f9992c

55431502124 has 6 divisors (see below), whose sum is σ = 97005128724. Its totient is φ = 27715751060.

The previous prime is 55431502121. The next prime is 55431502127. The reversal of 55431502124 is 42120513455.

It is an interprime number because it is at equal distance from previous prime (55431502121) and next prime (55431502127).

It is a super-2 number, since 2×554315021242 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55431502121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6928937762 + ... + 6928937769.

It is an arithmetic number, because the mean of its divisors is an integer number (16167521454).

Almost surely, 255431502124 is an apocalyptic number.

It is an amenable number.

55431502124 is a deficient number, since it is larger than the sum of its proper divisors (41573626600).

55431502124 is a wasteful number, since it uses less digits than its factorization.

55431502124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13857875535 (or 13857875533 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 55431502124 in words is "fifty-five billion, four hundred thirty-one million, five hundred two thousand, one hundred twenty-four".

Divisors: 1 2 4 13857875531 27715751062 55431502124