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145447580256 = 25311137734451
BaseRepresentation
bin1000011101110101011…
…0011111001001100000
3111220102111021121222220
42013131112133021200
54340334040032011
6150452342231040
713336220014326
oct2073526371140
9456374247886
10145447580256
1156758404890
1224232125480
131093c381074
14707ad1bd16
153bb40d9506
hex21dd59f260

145447580256 has 48 divisors (see below), whose sum is σ = 416508982848. Its totient is φ = 44075024000.

The previous prime is 145447580227. The next prime is 145447580263. The reversal of 145447580256 is 652085744541.

145447580256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1454475802562 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145447580199 and 145447580208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68866170 + ... + 68868281.

It is an arithmetic number, because the mean of its divisors is an integer number (8677270476).

Almost surely, 2145447580256 is an apocalyptic number.

145447580256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145447580256 is an abundant number, since it is smaller than the sum of its proper divisors (271061402592).

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

145447580256 is a wasteful number, since it uses less digits than its factorization.

145447580256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137734475 (or 137734467 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 145447580256 in words is "one hundred forty-five billion, four hundred forty-seven million, five hundred eighty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 137734451 275468902 413203353 550937804 826406706 1101875608 1515078961 1652813412 2203751216 3030157922 3305626824 4407502432 4545236883 6060315844 6611253648 9090473766 12120631688 13222507296 18180947532 24241263376 36361895064 48482526752 72723790128 145447580256