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10143032621257 = 1710125722986053
BaseRepresentation
bin1001001110011001101111…
…0110110011100011001001
31022220122221101100020212101
42103212123312303203021
52312140412322340012
633323351142313401
72064544542513064
oct223463366634311
938818841306771
1010143032621257
1132606aa539418
121179955128861
1358763a0b3b63
14270cd54158db
15128c9beedd57
hex9399bdb38c9

10143032621257 has 16 divisors (see below), whose sum is σ = 10888217947152. Its totient is φ = 9415086899200.

The previous prime is 10143032621243. The next prime is 10143032621279. The reversal of 10143032621257 is 75212623034101.

It can be written as a sum of positive squares in 8 ways, for example, as 4468746551481 + 5674286069776 = 2113941^2 + 2382076^2 .

It is a cyclic number.

It is not a de Polignac number, because 10143032621257 - 215 = 10143032588489 is a prime.

It is a super-2 number, since 2×101430326212572 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10143032621207) 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, 11051758 + ... + 11934295.

It is an arithmetic number, because the mean of its divisors is an integer number (680513621697).

Almost surely, 210143032621257 is an apocalyptic number.

10143032621257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10143032621257 is a deficient number, since it is larger than the sum of its proper divisors (745185325895).

10143032621257 is a wasteful number, since it uses less digits than its factorization.

10143032621257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986428.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 10143032621257 its reverse (75212623034101), we get a palindrome (85355655655358).

The spelling of 10143032621257 in words is "ten trillion, one hundred forty-three billion, thirty-two million, six hundred twenty-one thousand, two hundred fifty-seven".

Divisors: 1 17 101 257 1717 4369 25957 441269 22986053 390762901 2321591353 5907415621 39467053001 100426065557 596648977721 10143032621257