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30221431324044 = 22317981140061877
BaseRepresentation
bin1101101111100011110011…
…01011011011110110001100
310222000010210111210111200220
412313301321223123312030
512430121442404332134
6144135311152551340
76236266145524422
oct667617153336614
9128003714714626
1030221431324044
1196a1923125204
123481148252550
1313b2b3a83134c
14766a2189b112
153761de99a149
hex1b7c79adbd8c

30221431324044 has 24 divisors (see below), whose sum is σ = 70520595325488. Its totient is φ = 10073250121920.

The previous prime is 30221431324009. The next prime is 30221431324199. The reversal of 30221431324044 is 44042313412203.

It is a super-2 number, since 2×302214313240442 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221431323996 and 30221431324014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69815167 + ... + 70246710.

It is an arithmetic number, because the mean of its divisors is an integer number (2938358138562).

Almost surely, 230221431324044 is an apocalyptic number.

It is an amenable number.

30221431324044 is an abundant number, since it is smaller than the sum of its proper divisors (40299164001444).

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

30221431324044 is a wasteful number, since it uses less digits than its factorization.

30221431324044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140079865 (or 140079863 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 30221431324044 its reverse (44042313412203), we get a palindrome (74263744736247).

The spelling of 30221431324044 in words is "thirty trillion, two hundred twenty-one billion, four hundred thirty-one million, three hundred twenty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 17981 35962 53943 71924 107886 215772 140061877 280123754 420185631 560247508 840371262 1680742524 2518452610337 5036905220674 7555357831011 10073810441348 15110715662022 30221431324044