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142005450030 = 23538313679041
BaseRepresentation
bin1000010001000000101…
…1110011010100101110
3111120112121022022000020
42010100023303110232
54311311343400110
6145123021343010
713155012260253
oct2042013632456
9446477268006
10142005450030
1155251413464
1223631407a66
13105111c6c12
146c31b0542a
153a61d0dd70
hex21102f352e

142005450030 has 64 divisors (see below), whose sum is σ = 341990719488. Its totient is φ = 37737443840.

The previous prime is 142005450019. The next prime is 142005450049. The reversal of 142005450030 is 30054500241.

142005450030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15702310 + ... + 15711350.

It is an arithmetic number, because the mean of its divisors is an integer number (5343604992).

Almost surely, 2142005450030 is an apocalyptic number.

142005450030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142005450030 is an abundant number, since it is smaller than the sum of its proper divisors (199985269458).

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

142005450030 is a wasteful number, since it uses less digits than its factorization.

142005450030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 142005450030 its reverse (30054500241), we get a palindrome (172059950271).

The spelling of 142005450030 in words is "one hundred forty-two billion, five million, four hundred fifty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1367 1915 2298 2734 3830 4101 5745 6835 8202 9041 11490 13670 18082 20505 27123 41010 45205 54246 90410 135615 271230 523561 1047122 1570683 2617805 3141366 3462703 5235610 6925406 7853415 10388109 12359047 15706830 17313515 20776218 24718094 34627030 37077141 51940545 61795235 74154282 103881090 123590470 185385705 370771410 4733515001 9467030002 14200545003 23667575005 28401090006 47335150010 71002725015 142005450030