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145814013478 = 2719896159247
BaseRepresentation
bin1000011111001100110…
…0010100011000100110
3111221101000210100212201
42013303030110120212
54342111341412403
6150552552205114
713351256443630
oct2076314243046
9457330710781
10145814013478
1156926233561
122431499979a
131099a26c063
1470b3865a50
153bd636c21d
hex21f3314626

145814013478 has 32 divisors (see below), whose sum is σ = 266079513600. Its totient is φ = 58537473984.

The previous prime is 145814013451. The next prime is 145814013479. The reversal of 145814013478 is 874310418541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145814013479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055950 + ... + 3103297.

It is an arithmetic number, because the mean of its divisors is an integer number (8314984800).

Almost surely, 2145814013478 is an apocalyptic number.

145814013478 is a deficient number, since it is larger than the sum of its proper divisors (120265500122).

145814013478 is a wasteful number, since it uses less digits than its factorization.

145814013478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159364.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 145814013478 in words is "one hundred forty-five billion, eight hundred fourteen million, thirteen thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 19 38 89 133 178 266 623 1246 1691 3382 11837 23674 6159247 12318494 43114729 86229458 117025693 234051386 548172983 819179851 1096345966 1638359702 3837210881 7674421762 10415286677 20830573354 72907006739 145814013478