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30020421414142 = 21391515231367393
BaseRepresentation
bin1101101001101101011001…
…00011011110110011111110
310221021220221210012002021001
412310312230203132303332
512413323310340223032
6143503105145000514
76215622012503605
oct664665443366376
9127256853162231
1030020421414142
119624653291825
12344a1aa48313a
131399bb5215463
1475add360ca3c
15370d77a383e7
hex1b4dac8decfe

30020421414142 has 32 divisors (see below), whose sum is σ = 45742282871040. Its totient is φ = 14775217516800.

The previous prime is 30020421414133. The next prime is 30020421414199. The reversal of 30020421414142 is 24141412402003.

It is a self number, because there is not a number n which added to its sum of digits gives 30020421414142.

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, 21270798 + ... + 22638190.

It is an arithmetic number, because the mean of its divisors is an integer number (1429446339720).

Almost surely, 230020421414142 is an apocalyptic number.

30020421414142 is a deficient number, since it is larger than the sum of its proper divisors (15721861456898).

30020421414142 is a wasteful number, since it uses less digits than its factorization.

30020421414142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368208.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 30020421414142 its reverse (24141412402003), we get a palindrome (54161833816145).

The spelling of 30020421414142 in words is "thirty trillion, twenty billion, four hundred twenty-one million, four hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 139 151 278 302 523 1046 20989 41978 72697 78973 145394 157946 1367393 2734786 10977247 21954494 190067627 206476343 380135254 412952686 715146539 1430293078 28700211677 57400423354 99405368921 107987127389 198810737842 215974254778 15010210707071 30020421414142