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10101000030 = 23511181169111
BaseRepresentation
bin10010110100001000…
…10000011101011110
3222001221210222010020
421122010100131132
5131141324000110
64350151253010
7505212040452
oct113204203536
928057728106
1010101000030
114313829910
121b5a97a166
13c4c8c11c4
146bb734662
153e1badd70
hex25a11075e

10101000030 has 64 divisors (see below), whose sum is σ = 26592523776. Its totient is φ = 2435184000.

The previous prime is 10101000023. The next prime is 10101000031. The reversal of 10101000030 is 3000010101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a junction number, because it is equal to n+sod(n) for n = 10100999982 and 10101000018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101000031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24826 + ... + 144285.

It is an arithmetic number, because the mean of its divisors is an integer number (415508184).

Almost surely, 210101000030 is an apocalyptic number.

10101000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101000030 is an abundant number, since it is smaller than the sum of its proper divisors (16491523746).

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

10101000030 is a wasteful number, since it uses less digits than its factorization.

10101000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169313.

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 10101000030 its reverse (3000010101), we get a palindrome (13101010131).

The spelling of 10101000030 in words is "ten billion, one hundred one million, thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 181 330 362 543 905 1086 1810 1991 2715 3982 5430 5973 9955 11946 19910 29865 59730 169111 338222 507333 845555 1014666 1691110 1860221 2536665 3720442 5073330 5580663 9301105 11161326 18602210 27903315 30609091 55806630 61218182 91827273 153045455 183654546 306090910 336700001 459136365 673400002 918272730 1010100003 1683500005 2020200006 3367000010 5050500015 10101000030