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10001023140 = 2235166683719
BaseRepresentation
bin10010101000001101…
…11000000010100100
3221210222200121121110
421110012320002210
5130440230220030
64332220345020
7502556202603
oct112406700244
927728617543
1010001023140
114272353789
121b313a5170
13c34c88094
146ac34ba3a
153d80111b0
hex2541b80a4

10001023140 has 24 divisors (see below), whose sum is σ = 28002864960. Its totient is φ = 2666939488.

The previous prime is 10001023133. The next prime is 10001023147. The reversal of 10001023140 is 4132010001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10001023133) and next prime (10001023147).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10001023147) 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, 83341800 + ... + 83341919.

It is an arithmetic number, because the mean of its divisors is an integer number (1166786040).

Almost surely, 210001023140 is an apocalyptic number.

10001023140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001023140 is an abundant number, since it is smaller than the sum of its proper divisors (18001841820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001023140 is a wasteful number, since it uses less digits than its factorization.

10001023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166683731 (or 166683729 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10001023140 its reverse (4132010001), we get a palindrome (14133033141).

The spelling of 10001023140 in words is "ten billion, one million, twenty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 166683719 333367438 500051157 666734876 833418595 1000102314 1666837190 2000204628 2500255785 3333674380 5000511570 10001023140