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30028920206286 = 23171991479402907
BaseRepresentation
bin1101101001111101001110…
…00111110011001111001110
310221022201220002011110100110
412310332213013303033032
512413443212033100121
6143511032343340450
76216342431160351
oct664764707631716
9127281802143313
1030028920206286
119628214671091
12344b980751726
13139a93aba9951
1475b59c236298
153711c3c0dd76
hex1b4fa71f33ce

30028920206286 has 32 divisors (see below), whose sum is σ = 63910205625600. Its totient is φ = 9373496812416.

The previous prime is 30028920206273. The next prime is 30028920206297. The reversal of 30028920206286 is 68260202982003.

It is a Curzon number.

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, 739681156 + ... + 739721751.

It is an arithmetic number, because the mean of its divisors is an integer number (1997193925800).

Almost surely, 230028920206286 is an apocalyptic number.

30028920206286 is an abundant number, since it is smaller than the sum of its proper divisors (33881285419314).

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

30028920206286 is a wasteful number, since it uses less digits than its factorization.

30028920206286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479403128.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 30028920206286 in words is "thirty trillion, twenty-eight billion, nine hundred twenty million, two hundred six thousand, two hundred eighty-six".

Divisors: 1 2 3 6 17 34 51 102 199 398 597 1194 3383 6766 10149 20298 1479402907 2958805814 4438208721 8876417442 25149849419 50299698838 75449548257 150899096514 294401178493 588802356986 883203535479 1766407070958 5004820034381 10009640068762 15014460103143 30028920206286