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11030313012020 = 2251901473361297
BaseRepresentation
bin1010000010000011000111…
…1000111000101100110100
31110001111011110221020110022
42200200301320320230310
52421210040112341040
635243131132344312
72215625303424551
oct240406170705464
943044143836408
1011030313012020
113572a25154565
1212a18b9615098
136202005c1763
142a1c273bda28
15141dcca126b5
hexa0831e38b34

11030313012020 has 48 divisors (see below), whose sum is σ = 23181117131088. Its totient is φ = 4408800614400.

The previous prime is 11030313012013. The next prime is 11030313012023. The reversal of 11030313012020 is 2021031303011.

It can be written as a sum of positive squares in 8 ways, for example, as 3622368175504 + 7407944836516 = 1903252^2 + 2721754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11030313012020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030313012023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179918012 + ... + 179979308.

It is an arithmetic number, because the mean of its divisors is an integer number (482939940231).

Almost surely, 211030313012020 is an apocalyptic number.

11030313012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030313012020 is an abundant number, since it is smaller than the sum of its proper divisors (12150804119068).

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

11030313012020 is a wasteful number, since it uses less digits than its factorization.

11030313012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67940 (or 67938 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11030313012020 its reverse (2021031303011), we get a palindrome (13051344315031).

The spelling of 11030313012020 in words is "eleven trillion, thirty billion, three hundred thirteen million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 1901 3802 4733 7604 9466 9505 18932 19010 23665 38020 47330 61297 94660 122594 245188 306485 612970 1225940 8997433 17994866 35989732 44987165 89974330 116525597 179948660 233051194 290118701 466102388 580237402 582627985 1160474804 1165255970 1450593505 2330511940 2901187010 5802374020 551515650601 1103031301202 2206062602404 2757578253005 5515156506010 11030313012020