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145903465472 = 2101311087663
BaseRepresentation
bin1000011111100010000…
…1100011010000000000
3111221121021002222221112
42013320201203100000
54342302241343342
6151005505342452
713353423664622
oct2077041432000
9457537088845
10145903465472
1156971780126
122433a937a28
13109b295b72b
1470c16acc12
153bde13b682
hex21f8863400

145903465472 has 44 divisors (see below), whose sum is σ = 293891163456. Its totient is φ = 72394782720.

The previous prime is 145903465451. The next prime is 145903465501. The reversal of 145903465472 is 274564309541.

It is a super-3 number, since 3×1459034654723 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145903465472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409688 + ... + 677975.

It is an arithmetic number, because the mean of its divisors is an integer number (6679344624).

Almost surely, 2145903465472 is an apocalyptic number.

It is an amenable number.

145903465472 is an abundant number, since it is smaller than the sum of its proper divisors (147987697984).

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

145903465472 is a wasteful number, since it uses less digits than its factorization.

145903465472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087814 (or 1087796 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 145903465472 in words is "one hundred forty-five billion, nine hundred three million, four hundred sixty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 131 256 262 512 524 1024 1048 2096 4192 8384 16768 33536 67072 134144 1087663 2175326 4350652 8701304 17402608 34805216 69610432 139220864 142483853 278441728 284967706 556883456 569935412 1113766912 1139870824 2279741648 4559483296 9118966592 18237933184 36475866368 72951732736 145903465472