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14574621620 = 22513121746061
BaseRepresentation
bin11011001001011011…
…10001001110110100
31101121201201111020202
431210231301032310
5214322100342440
610410120420032
71024113145136
oct154455611664
941551644222
1014574621620
1161a9aa2a39
1229a9017618
1314b3690280
149c3935056
155a47db615
hex364b713b4

14574621620 has 48 divisors (see below), whose sum is σ = 32988867408. Its totient is φ = 5376860160.

The previous prime is 14574621617. The next prime is 14574621629. The reversal of 14574621620 is 2612647541.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4836089764 + 9738531856 = 69542^2 + 98684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14574621629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293390 + ... + 339450.

It is an arithmetic number, because the mean of its divisors is an integer number (687268071).

Almost surely, 214574621620 is an apocalyptic number.

14574621620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14574621620 is an abundant number, since it is smaller than the sum of its proper divisors (18414245788).

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

14574621620 is a wasteful number, since it uses less digits than its factorization.

14574621620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47300 (or 47298 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 14574621620 in words is "fourteen billion, five hundred seventy-four million, six hundred twenty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1217 2434 4868 6085 12170 15821 24340 31642 46061 63284 79105 92122 158210 184244 230305 316420 460610 598793 921220 1197586 2395172 2993965 5987930 11975860 56056237 112112474 224224948 280281185 560562370 728731081 1121124740 1457462162 2914924324 3643655405 7287310810 14574621620