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55150251601420 = 22597234712112469
BaseRepresentation
bin11001000101000101010110…
…01001111110111000001100
321020021022102212011120200201
430202202223021332320030
524212040203402221140
6313143401551103244
714421321434626333
oct1442425311767014
9236238385146621
1055150251601420
11166330aa2a0658
1262285a3811b24
1324a0853219c71
14d89401d16d1a
156598b80ae49a
hex3228ab27ee0c

55150251601420 has 48 divisors (see below), whose sum is σ = 117059367468960. Its totient is φ = 21823372744704.

The previous prime is 55150251601411. The next prime is 55150251601493. The reversal of 55150251601420 is 2410615205155.

It is a self number, because there is not a number n which added to its sum of digits gives 55150251601420.

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, 1503055 + ... + 10609414.

It is an arithmetic number, because the mean of its divisors is an integer number (2438736822270).

Almost surely, 255150251601420 is an apocalyptic number.

It is an amenable number.

55150251601420 is an abundant number, since it is smaller than the sum of its proper divisors (61909115867540).

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

55150251601420 is a wasteful number, since it uses less digits than its factorization.

55150251601420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114922 (or 12114920 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 55150251601420 its reverse (2410615205155), we get a palindrome (57560866806575).

The spelling of 55150251601420 in words is "fifty-five trillion, one hundred fifty billion, two hundred fifty-one million, six hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 2347 4694 9388 11735 23470 46940 227659 455318 910636 1138295 2276590 4553180 12112469 24224938 48449876 60562345 121124690 242249380 1174909493 2349818986 4699637972 5874547465 11749094930 23498189860 28427964743 56855929486 113711858972 142139823715 284279647430 568559294860 2757512580071 5515025160142 11030050320284 13787562900355 27575125800710 55150251601420