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554685842945 = 51340920864617
BaseRepresentation
bin10000001001001011101…
…10100100011000000001
31222000202000021100222002
420010211312210120001
533041444033433240
61102452534353345
755034426604653
oct10044566443001
91860660240862
10554685842945
111a4271774723
128b6031bb855
13403ca932820
141cbbddd86d3
15e666a75d15
hex8125da4601

554685842945 has 16 divisors (see below), whose sum is σ = 718577443920. Its totient is φ = 408612639744.

The previous prime is 554685842933. The next prime is 554685842947. The reversal of 554685842945 is 549248586455.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7569696016 + 547116146929 = 87004^2 + 739673^2 .

It is a cyclic number.

It is not a de Polignac number, because 554685842945 - 216 = 554685777409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is not an unprimeable number, because it can be changed into a prime (554685842947) 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, 10405724 + ... + 10458893.

It is an arithmetic number, because the mean of its divisors is an integer number (44911090245).

Almost surely, 2554685842945 is an apocalyptic number.

It is an amenable number.

554685842945 is a deficient number, since it is larger than the sum of its proper divisors (163891600975).

554685842945 is a wasteful number, since it uses less digits than its factorization.

554685842945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20865044.

The product of its digits is 276480000, while the sum is 65.

The spelling of 554685842945 in words is "five hundred fifty-four billion, six hundred eighty-five million, eight hundred forty-two thousand, nine hundred forty-five".

Divisors: 1 5 13 65 409 2045 5317 26585 20864617 104323085 271240021 1356200105 8533628353 42668141765 110937168589 554685842945