Search a number
-
+
30021111320032 = 2571935837196831
BaseRepresentation
bin1101101001101110101011…
…01011010000110111100000
310221021222201212100221020001
412310313111223100313200
512413331213444220112
6143503301432025344
76215645060554210
oct664672553206740
9127258655327201
1030021111320032
119624977767288
12344a361532254
131399c9512c1b1
1475b05b0ba240
15370db83b4c57
hex1b4dd5ad0de0

30021111320032 has 96 divisors (see below), whose sum is σ = 71104977377280. Its totient is φ = 12188620592640.

The previous prime is 30021111319987. The next prime is 30021111320071. The reversal of 30021111320032 is 23002311112003.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 30021111319991 and 30021111320009.

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, 152423857 + ... + 152620687.

It is an arithmetic number, because the mean of its divisors is an integer number (740676847680).

Almost surely, 230021111320032 is an apocalyptic number.

30021111320032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30021111320032 is an abundant number, since it is smaller than the sum of its proper divisors (41083866057248).

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

30021111320032 is a wasteful number, since it uses less digits than its factorization.

30021111320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232704 (or 232696 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30021111320032 its reverse (23002311112003), we get a palindrome (53023422432035).

The spelling of 30021111320032 in words is "thirty trillion, twenty-one billion, one hundred eleven million, three hundred twenty thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 35837 71674 143348 196831 250859 286696 393662 501718 573392 680903 787324 1003436 1146784 1361806 1377817 1574648 2006872 2723612 2755634 3149296 3739789 4013744 4766321 5447224 5511268 6298592 7479578 8027488 9532642 10894448 11022536 14959156 19065284 21788896 22045072 26178523 29918312 38130568 44090144 52357046 59836624 76261136 104714092 119673248 152522272 209428184 418856368 837712736 7053832547 14107665094 28215330188 49376827829 56430660376 98753655658 112861320752 134022818393 197507311316 225722641504 268045636786 395014622632 536091273572 790029245264 938159728751 1072182547144 1580058490528 1876319457502 2144365094288 3752638915004 4288730188576 7505277830008 15010555660016 30021111320032