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1230021013110 = 235295713865641
BaseRepresentation
bin10001111001100010111…
…101110010111001110110
311100120220021112120220220
4101321202331302321312
5130123040334404420
62341021443035210
7154603032050421
oct21714275627166
94316807476826
101230021013110
1143471588262a
1217a47766bb06
138bcb51293a6
14437676829b8
1521ee05b5840
hex11e62f72e76

1230021013110 has 32 divisors (see below), whose sum is σ = 2953048970592. Its totient is φ = 327894654720.

The previous prime is 1230021013037. The next prime is 1230021013127. The reversal of 1230021013110 is 113101200321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230021013110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6844111 + ... + 7021530.

It is an arithmetic number, because the mean of its divisors is an integer number (92282780331).

Almost surely, 21230021013110 is an apocalyptic number.

1230021013110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230021013110 is an abundant number, since it is smaller than the sum of its proper divisors (1723027957482).

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

1230021013110 is a wasteful number, since it uses less digits than its factorization.

1230021013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868608.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1230021013110 its reverse (113101200321), we get a palindrome (1343122213431).

The spelling of 1230021013110 in words is "one trillion, two hundred thirty billion, twenty-one million, thirteen thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2957 5914 8871 14785 17742 29570 44355 88710 13865641 27731282 41596923 69328205 83193846 138656410 207984615 415969230 41000700437 82001400874 123002101311 205003502185 246004202622 410007004370 615010506555 1230021013110