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145047555612 = 223210143192557
BaseRepresentation
bin1000011100010110000…
…0100000111000011100
3111212101121120021100100
42013011200200320130
54334024133234422
6150344532301100
713323261610611
oct2070540407034
9455347507310
10145047555612
1156572622403
1224140171790
13108a75314ab
14703db4c508
153b8de1d7ac
hex21c5820e1c

145047555612 has 72 divisors (see below), whose sum is σ = 371141289792. Its totient is φ = 47758896000.

The previous prime is 145047555607. The next prime is 145047555629. The reversal of 145047555612 is 216555740541.

145047555612 is a `hidden beast` number, since 1 + 4 + 50 + 47 + 5 + 556 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1520838 + ... + 1613394.

It is an arithmetic number, because the mean of its divisors is an integer number (5154740136).

Almost surely, 2145047555612 is an apocalyptic number.

145047555612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145047555612 is an abundant number, since it is smaller than the sum of its proper divisors (226093734180).

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

145047555612 is a wasteful number, since it uses less digits than its factorization.

145047555612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93099 (or 93094 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 145047555612 in words is "one hundred forty-five billion, forty-seven million, five hundred fifty-five thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 431 606 862 909 1212 1293 1724 1818 2586 3636 3879 5172 7758 15516 43531 87062 92557 130593 174124 185114 261186 277671 370228 391779 522372 555342 783558 833013 1110684 1567116 1666026 3332052 9348257 18696514 28044771 37393028 39892067 56089542 79784134 84134313 112179084 119676201 159568268 168268626 239352402 336537252 359028603 478704804 718057206 1436114412 4029098767 8058197534 12087296301 16116395068 24174592602 36261888903 48349185204 72523777806 145047555612