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1020113310030 = 235231478425087
BaseRepresentation
bin11101101100000110111…
…11011101000101001110
310121112002110011102212120
432312003133131011032
5113203143001410110
62100344504313410
7133462234031613
oct16660337350516
93545073142776
101020113310030
1136369a407471
12145855a72866
1375272297319
14375337c650a
151b807415870
hexed837dd14e

1020113310030 has 32 divisors (see below), whose sum is σ = 2554718552064. Its totient is φ = 260202815136.

The previous prime is 1020113310019. The next prime is 1020113310043. The reversal of 1020113310030 is 300133110201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020113309991 and 1020113310009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739211854 + ... + 739213233.

It is an arithmetic number, because the mean of its divisors is an integer number (79834954752).

Almost surely, 21020113310030 is an apocalyptic number.

1020113310030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020113310030 is an abundant number, since it is smaller than the sum of its proper divisors (1534605242034).

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

1020113310030 is a wasteful number, since it uses less digits than its factorization.

1020113310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478425120.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1020113310030 its reverse (300133110201), we get a palindrome (1320246420231).

The spelling of 1020113310030 in words is "one trillion, twenty billion, one hundred thirteen million, three hundred ten thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 1478425087 2956850174 4435275261 7392125435 8870550522 14784250870 22176376305 34003777001 44352752610 68007554002 102011331003 170018885005 204022662006 340037770010 510056655015 1020113310030