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30202302100020 = 2235717089742277
BaseRepresentation
bin1101101111000000001010…
…11111001111001000110100
310221221022102100210020112020
412313200011133033020310
512424313303314200040
6144122425051153140
76235021126022121
oct667400537171064
9127838370706466
1030202302100020
1196947a7188056
1234794a9a457b0
1313b10ac68a38b
14765b290c5748
153759703d6cd0
hex1b78057cf234

30202302100020 has 48 divisors (see below), whose sum is σ = 85757522594688. Its totient is φ = 7940511349120.

The previous prime is 30202302099967. The next prime is 30202302100037. The reversal of 30202302100020 is 2000120320203.

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

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, 3544866879 + ... + 3544875398.

It is an arithmetic number, because the mean of its divisors is an integer number (1786615054056).

Almost surely, 230202302100020 is an apocalyptic number.

30202302100020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30202302100020 is an abundant number, since it is smaller than the sum of its proper divisors (55555220494668).

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

30202302100020 is a wasteful number, since it uses less digits than its factorization.

30202302100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089742360 (or 7089742358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30202302100020 its reverse (2000120320203), we get a palindrome (32202422420223).

The spelling of 30202302100020 in words is "thirty trillion, two hundred two billion, three hundred two million, one hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 7089742277 14179484554 21269226831 28358969108 35448711385 42538453662 70897422770 85076907324 106346134155 141794845540 212692268310 425384536620 503371701667 1006743403334 1510115105001 2013486806668 2516858508335 3020230210002 5033717016670 6040460420004 7550575525005 10067434033340 15101151050010 30202302100020