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20345030456632 = 2371492438282653
BaseRepresentation
bin1001010000000111100100…
…10100000011010100111000
32200000222002011010202002221
410220003302110003110320
510131313110244103012
6111134213350133424
74166610551352340
oct450036224032470
980028064122087
1020345030456632
116534308331952
122347005651274
13b476b342854b
145049c1ab9d20
1525434a99c507
hex1280f2503538

20345030456632 has 32 divisors (see below), whose sum is σ = 43889087772000. Its totient is φ = 8660779979904.

The previous prime is 20345030456627. The next prime is 20345030456671. The reversal of 20345030456632 is 23665403054302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219132983 + ... + 1219149670.

It is an arithmetic number, because the mean of its divisors is an integer number (1371533992875).

Almost surely, 220345030456632 is an apocalyptic number.

It is an amenable number.

20345030456632 is an abundant number, since it is smaller than the sum of its proper divisors (23544057315368).

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

20345030456632 is a wasteful number, since it uses less digits than its factorization.

20345030456632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438282815 (or 2438282811 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 20345030456632 in words is "twenty trillion, three hundred forty-five billion, thirty million, four hundred fifty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 149 298 596 1043 1192 2086 4172 8344 2438282653 4876565306 9753130612 17067978571 19506261224 34135957142 68271914284 136543828568 363304115297 726608230594 1453216461188 2543128807079 2906432922376 5086257614158 10172515228316 20345030456632