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10001000101010 = 251000100010101
BaseRepresentation
bin1001000110001000101000…
…0011101111010010010010
31022102002022220002122111112
42101202022003233102102
52302324022011213020
633134221312413322
72051356051145552
oct221421203572222
938362286078445
1010001000101010
113206444916786
121156316847242
135771233cc679
1426809dca5162
15125237b442c5
hex9188a0ef492

10001000101010 has 8 divisors (see below), whose sum is σ = 18001800181836. Its totient is φ = 4000400040400.

The previous prime is 10001000101009. The next prime is 10001000101019. The reversal of 10001000101010 is 1010100010001.

It can be written as a sum of positive squares in 2 ways, for example, as 9963220792849 + 37779308161 = 3156457^2 + 194369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10001000100985 and 10001000101003.

It is not an unprimeable number, because it can be changed into a prime (10001000101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500050005041 + ... + 500050005060.

Almost surely, 210001000101010 is an apocalyptic number.

10001000101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001000101010 is a deficient number, since it is larger than the sum of its proper divisors (8000800080826).

10001000101010 is a wasteful number, since it uses less digits than its factorization.

10001000101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000100010108.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10001000101010 its reverse (1010100010001), we get a palindrome (11011100111011).

The spelling of 10001000101010 in words is "ten trillion, one billion, one hundred one thousand, ten".

Divisors: 1 2 5 10 1000100010101 2000200020202 5000500050505 10001000101010