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10201031023 = 73229610219
BaseRepresentation
bin10011000000000011…
…10110000101101111
3222022221001001211211
421200001312011233
5131342430443043
64404123255251
7510535222141
oct114001660557
928287031754
1010201031023
114365241657
121b8837a527
13c67545b41
146cab32c91
153ea86ca9d
hex26007616f

10201031023 has 8 divisors (see below), whose sum is σ = 10385944400. Its totient is φ = 10017338688.

The previous prime is 10201031021. The next prime is 10201031041. The reversal of 10201031023 is 32013010201.

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

It is a cyclic number.

It is not a de Polignac number, because 10201031023 - 21 = 10201031021 is a prime.

It is a super-2 number, since 2×102010310232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201030994 and 10201031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201031021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288393 + ... + 321826.

It is an arithmetic number, because the mean of its divisors is an integer number (1298243050).

Almost surely, 210201031023 is an apocalyptic number.

10201031023 is a deficient number, since it is larger than the sum of its proper divisors (184913377).

10201031023 is an equidigital number, since it uses as much as digits as its factorization.

10201031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610521.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10201031023 its reverse (32013010201), we get a palindrome (42214041224).

The spelling of 10201031023 in words is "ten billion, two hundred one million, thirty-one thousand, twenty-three".

Divisors: 1 73 229 16717 610219 44545987 139740151 10201031023