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144630541242 = 232111634481333
BaseRepresentation
bin1000011010110010100…
…1101110101110111010
3111211022112212202011200
42012230221232232322
54332200404304432
6150235314235030
713310036213355
oct2065451565672
9454275782150
10144630541242
1156379196330
1224044585a76
131083c013725
1470005d929c
153b674e8a7c
hex21aca6ebba

144630541242 has 48 divisors (see below), whose sum is σ = 343951347168. Its totient is φ = 43558547040.

The previous prime is 144630541241. The next prime is 144630541259. The reversal of 144630541242 is 242145036441.

144630541242 is a `hidden beast` number, since 1 + 4 + 4 + 630 + 5 + 4 + 12 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 144630541197 and 144630541206.

It is not an unprimeable number, because it can be changed into a prime (144630541241) 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, 2208393 + ... + 2272940.

It is an arithmetic number, because the mean of its divisors is an integer number (7165653066).

Almost surely, 2144630541242 is an apocalyptic number.

144630541242 is an abundant number, since it is smaller than the sum of its proper divisors (199320805926).

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

144630541242 is a wasteful number, since it uses less digits than its factorization.

144630541242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481515 (or 4481512 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 144630541242 its reverse (242145036441), we get a palindrome (386775577683).

The spelling of 144630541242 in words is "one hundred forty-four billion, six hundred thirty million, five hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 163 198 326 489 978 1467 1793 2934 3586 5379 10758 16137 32274 4481333 8962666 13443999 26887998 40331997 49294663 80663994 98589326 147883989 295767978 443651967 730457279 887303934 1460914558 2191371837 4382743674 6574115511 8035030069 13148231022 16070060138 24105090207 48210180414 72315270621 144630541242