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1242537130672 = 241913929404987
BaseRepresentation
bin10010000101001100111…
…110111111101010110000
311101210012112211020110121
4102011030332333222300
5130324204001140142
62350451430540024
7155525141230165
oct22051476775260
94353175736417
101242537130672
11439a588a9a42
1218098b207614
139022b19a206
14441d3a5006c
15224c42d4c67
hex1214cfbfab0

1242537130672 has 40 divisors (see below), whose sum is σ = 2552352958400. Its totient is φ = 584335881792.

The previous prime is 1242537130651. The next prime is 1242537130687. The reversal of 1242537130672 is 2760317352421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14660238 + ... + 14744749.

It is an arithmetic number, because the mean of its divisors is an integer number (63808823960).

Almost surely, 21242537130672 is an apocalyptic number.

It is an amenable number.

1242537130672 is an abundant number, since it is smaller than the sum of its proper divisors (1309815827728).

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

1242537130672 is a wasteful number, since it uses less digits than its factorization.

1242537130672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29405153 (or 29405147 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 1242537130672 in words is "one trillion, two hundred forty-two billion, five hundred thirty-seven million, one hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 139 152 278 304 556 1112 2224 2641 5282 10564 21128 42256 29404987 58809974 117619948 235239896 470479792 558694753 1117389506 2234779012 4087293193 4469558024 8174586386 8939116048 16349172772 32698345544 65396691088 77658570667 155317141334 310634282668 621268565336 1242537130672