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10030121001 = 33371485963
BaseRepresentation
bin10010101011101011…
…11000000000101001
3221220000102221101000
421111311320000221
5131020202333001
64335140145213
7503361423165
oct112565700051
927800387330
1010030121001
1142878183aa
121b3b098209
13c3b005554
146b2163ca5
153da85ca86
hex255d78029

10030121001 has 8 divisors (see below), whose sum is σ = 14859438560. Its totient is φ = 6686747316.

The previous prime is 10030120999. The next prime is 10030121039. The reversal of 10030121001 is 10012103001.

It is not a de Polignac number, because 10030121001 - 21 = 10030120999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10030121201) 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, 185742955 + ... + 185743008.

It is an arithmetic number, because the mean of its divisors is an integer number (1857429820).

Almost surely, 210030121001 is an apocalyptic number.

It is an amenable number.

10030121001 is a deficient number, since it is larger than the sum of its proper divisors (4829317559).

10030121001 is an equidigital number, since it uses as much as digits as its factorization.

10030121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371485972 (or 371485966 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10030121001 its reverse (10012103001), we get a palindrome (20042224002).

The spelling of 10030121001 in words is "ten billion, thirty million, one hundred twenty-one thousand, one".

Divisors: 1 3 9 27 371485963 1114457889 3343373667 10030121001