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29997465390530 = 2511412162227383
BaseRepresentation
bin1101101001000010101000…
…10001001100110111000010
310221012201200221101020221022
412310201110101030313002
512412434302114444110
6143444351221425442
76214150104513221
oct664412421146702
9127181627336838
1029997465390530
1196159431a9490
12344586256b282
1313979972b2a31
14759c568cacb8
15370482513755
hex1b485444cdc2

29997465390530 has 48 divisors (see below), whose sum is σ = 60375841048512. Its totient is φ = 10642116259200.

The previous prime is 29997465390517. The next prime is 29997465390533. The reversal of 29997465390530 is 3509356479992.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29997465390533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80928782 + ... + 81298601.

It is an arithmetic number, because the mean of its divisors is an integer number (1257830021844).

Almost surely, 229997465390530 is an apocalyptic number.

29997465390530 is an abundant number, since it is smaller than the sum of its proper divisors (30378375657982).

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

29997465390530 is a wasteful number, since it uses less digits than its factorization.

29997465390530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162227483 (or 162227442 counting only the distinct ones).

The product of its (nonzero) digits is 496011600, while the sum is 71.

The spelling of 29997465390530 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred sixty-five million, three hundred ninety thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 82 110 205 410 451 902 1681 2255 3362 4510 8405 16810 18491 36982 92455 184910 162227383 324454766 811136915 1622273830 1784501213 3569002426 6651322703 8922506065 13302645406 17845012130 33256613515 66513227030 73164549733 146329099466 272704230823 365822748665 545408461646 731645497330 1363521154115 2727042308230 2999746539053 5999493078106 14998732695265 29997465390530