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145966693068 = 223274631251043
BaseRepresentation
bin1000011111110001001…
…0101111101011001100
3111221202200002021220100
42013330102233223030
54342414433134233
6151020044451100
713355122263630
oct2077422575314
9457680067810
10145966693068
11569a4435a39
1224357b49a90
13109c2a98801
1470c9c4adc0
153be497a813
hex21fc4afacc

145966693068 has 72 divisors (see below), whose sum is σ = 422592654848. Its totient is φ = 41614661088.

The previous prime is 145966693063. The next prime is 145966693091. The reversal of 145966693068 is 860396669541.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 145966692996 and 145966693014.

It is not an unprimeable number, because it can be changed into a prime (145966693063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508846 + ... + 742197.

Almost surely, 2145966693068 is an apocalyptic number.

145966693068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145966693068 is an abundant number, since it is smaller than the sum of its proper divisors (276625961780).

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

145966693068 is a wasteful number, since it uses less digits than its factorization.

145966693068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251523 (or 1251518 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 145966693068 in words is "one hundred forty-five billion, nine hundred sixty-six million, six hundred ninety-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 463 926 1389 1852 2778 3241 4167 5556 6482 8334 9723 12964 16668 19446 29169 38892 58338 116676 1251043 2502086 3753129 5004172 7506258 8757301 11259387 15012516 17514602 22518774 26271903 35029204 45037548 52543806 78815709 105087612 157631418 315262836 579232909 1158465818 1737698727 2316931636 3475397454 4054630363 5213096181 6950794908 8109260726 10426192362 12163891089 16218521452 20852384724 24327782178 36491673267 48655564356 72983346534 145966693068