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30300121203320 = 2353512592156537
BaseRepresentation
bin1101110001110110010111…
…11101100000001001111000
310222021122220112200112221002
412320323023331200021320
512432414122012001240
6144235403350104132
76245053151464163
oct670731375401170
9128248815615832
1030300121203320
119722233551191
12349444934b048
1313ba39b3c66a7
1476a76863cada
15378297e29d15
hex1b8ecbf60278

30300121203320 has 32 divisors (see below), whose sum is σ = 68175498409200. Its totient is φ = 12120008356608.

The previous prime is 30300121203181. The next prime is 30300121203329. The reversal of 30300121203320 is 2330212100303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30300121203292 and 30300121203301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300121203329) 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, 12972092 + ... + 15128628.

Almost surely, 230300121203320 is an apocalyptic number.

It is an amenable number.

30300121203320 is an abundant number, since it is smaller than the sum of its proper divisors (37875377205880).

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

30300121203320 is a wasteful number, since it uses less digits than its factorization.

30300121203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507807 (or 2507803 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30300121203320 its reverse (2330212100303), we get a palindrome (32630333303623).

The spelling of 30300121203320 in words is "thirty trillion, three hundred billion, one hundred twenty-one million, two hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 351259 702518 1405036 1756295 2156537 2810072 3512590 4313074 7025180 8626148 10782685 14050360 17252296 21565370 43130740 86261480 757503030083 1515006060166 3030012120332 3787515150415 6060024240664 7575030300830 15150060601660 30300121203320