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140457208480 = 2551537757089
BaseRepresentation
bin1000001011001111100…
…1101110101010100000
3111102112201000110212121
42002303321232222200
54300124021132410
6144305233234024
713101442400431
oct2026371565240
9442481013777
10140457208480
1154627483696
122327aa02914
1310325513a64
146b26245488
1539c0e359da
hex20b3e6eaa0

140457208480 has 48 divisors (see below), whose sum is σ = 331857547560. Its totient is φ = 56178245632.

The previous prime is 140457208429. The next prime is 140457208517. The reversal of 140457208480 is 84802754041.

It can be written as a sum of positive squares in 4 ways, for example, as 138506042896 + 1951165584 = 372164^2 + 44172^2 .

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, 2431776 + ... + 2488864.

Almost surely, 2140457208480 is an apocalyptic number.

140457208480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140457208480 is an abundant number, since it is smaller than the sum of its proper divisors (191400339080).

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

140457208480 is a wasteful number, since it uses less digits than its factorization.

140457208480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72481 (or 72473 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 140457208480 in words is "one hundred forty billion, four hundred fifty-seven million, two hundred eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 15377 30754 57089 61508 76885 114178 123016 153770 228356 246032 285445 307540 456712 492064 570890 615080 913424 1141780 1230160 1826848 2283560 2460320 4567120 9134240 877857553 1755715106 3511430212 4389287765 7022860424 8778575530 14045720848 17557151060 28091441696 35114302120 70228604240 140457208480