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551472622472 = 232625532
BaseRepresentation
bin10000000011001100101…
…01000110101110001000
31221201110002000212010102
420001212111012232020
533013403442404342
61101202032104532
754562001643152
oct10014625065610
91851402025112
10551472622472
111a2972a11612
128aa67095148
1340008015635
141c99736bad2
15e529915832
hex8066546b88

551472622472 has 12 divisors (see below), whose sum is σ = 1034015105445. Its totient is φ = 275735261024.

The previous prime is 551472622471. The next prime is 551472622537. The reversal of 551472622472 is 274226274155.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 413827170436 + 137645452036 = 643294^2 + 371006^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=525106.

It is a super-2 number, since 2×5514726224722 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551472622471) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1969148 + ... + 2231700.

Almost surely, 2551472622472 is an apocalyptic number.

It is an amenable number.

551472622472 is a deficient number, since it is larger than the sum of its proper divisors (482542482973).

551472622472 is an frugal number, since it uses more digits than its factorization.

551472622472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525112 (or 262555 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 47.

The spelling of 551472622472 in words is "five hundred fifty-one billion, four hundred seventy-two million, six hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 262553 525106 1050212 2100424 68934077809 137868155618 275736311236 551472622472