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144669731492 = 2211133171151761
BaseRepresentation
bin1000011010111011111…
…1001110101010100100
3111211102021121211002102
42012232333032222210
54332240422401432
6150243234231232
713311023266556
oct2065677165244
9454367554072
10144669731492
1156399323570
1224055725518
1310847185820
1470058bb4d6
153b6ab8a962
hex21aefceaa4

144669731492 has 192 divisors, whose sum is σ = 313825591296. Its totient is φ = 57456000000.

The previous prime is 144669731483. The next prime is 144669731501. The reversal of 144669731492 is 294137966441.

It is an interprime number because it is at equal distance from previous prime (144669731483) and next prime (144669731501).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190104392 + ... + 190105152.

It is an arithmetic number, because the mean of its divisors is an integer number (1634508288).

Almost surely, 2144669731492 is an apocalyptic number.

It is an amenable number.

144669731492 is an abundant number, since it is smaller than the sum of its proper divisors (169155859804).

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

144669731492 is a wasteful number, since it uses less digits than its factorization.

144669731492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The spelling of 144669731492 in words is "one hundred forty-four billion, six hundred sixty-nine million, seven hundred thirty-one thousand, four hundred ninety-two".