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145450151105020 = 2257272507555251
BaseRepresentation
bin100001000100100101000000…
…100101101101000111111100
3201001222220021010002010202021
4201010211000211231013330
5123031023402140330040
61233202513232005524
742431266223226346
oct4104450045550774
9631886233063667
10145450151105020
114238807646a633
12143912693908a4
136320b7627a868
1427cbb7965c296
1511c375b39824a
hex84494096d1fc

145450151105020 has 12 divisors (see below), whose sum is σ = 305445317320584. Its totient is φ = 58180060442000.

The previous prime is 145450151104931. The next prime is 145450151105033. The reversal of 145450151105020 is 20501151054541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636253777606 + ... + 3636253777645.

It is an arithmetic number, because the mean of its divisors is an integer number (25453776443382).

Almost surely, 2145450151105020 is an apocalyptic number.

145450151105020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145450151105020 is an abundant number, since it is smaller than the sum of its proper divisors (159995166215564).

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

145450151105020 is a wasteful number, since it uses less digits than its factorization.

145450151105020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272507555260 (or 7272507555258 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 145450151105020 in words is "one hundred forty-five trillion, four hundred fifty billion, one hundred fifty-one million, one hundred five thousand, twenty".

Divisors: 1 2 4 5 10 20 7272507555251 14545015110502 29090030221004 36362537776255 72725075552510 145450151105020