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1051050005551 = 71367763170447
BaseRepresentation
bin11110100101101110111…
…01100101010000101111
310201110221111000101221101
433102313131211100233
5114210022300134201
62122502401143531
7135635666432320
oct17226735452057
93643844011841
101051050005551
11375825366727
1214b84a62aba7
1378162733510
1438c2a3c0447
151c5183b8d01
hexf4b776542f

1051050005551 has 16 divisors (see below), whose sum is σ = 1293626686464. Its totient is φ = 831582853344.

The previous prime is 1051050005527. The next prime is 1051050005561. The reversal of 1051050005551 is 1555000501501.

It is a cyclic number.

It is not a de Polignac number, because 1051050005551 - 231 = 1048902521903 is a prime.

It is a super-2 number, since 2×10510500055512 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051050005501) 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, 6081210 + ... + 6251656.

It is an arithmetic number, because the mean of its divisors is an integer number (80851667904).

Almost surely, 21051050005551 is an apocalyptic number.

1051050005551 is a deficient number, since it is larger than the sum of its proper divisors (242576680913).

1051050005551 is a wasteful number, since it uses less digits than its factorization.

1051050005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238230.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 1051050005551 in words is "one trillion, fifty-one billion, fifty million, five thousand, five hundred fifty-one".

Divisors: 1 7 13 91 67763 170447 474341 880919 1193129 2215811 6166433 15510677 11550000061 80850000427 150150000793 1051050005551