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1452121853 = 71321227491
BaseRepresentation
bin101011010001101…
…1001111011111101
310202012102102200212
41112203121323331
510433220344403
6400032002205
750661555260
oct12643317375
93665372625
101452121853
11685759706
12346390365
131a1aca900
14dabdccd7
158773d4d8
hex568d9efd

1452121853 has 12 divisors (see below), whose sum is σ = 1797048288. Its totient is φ = 1148930640.

The previous prime is 1452121817. The next prime is 1452121877. The reversal of 1452121853 is 3581212541.

It is not a de Polignac number, because 1452121853 - 224 = 1435344637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452121883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612563 + ... + 614928.

It is an arithmetic number, because the mean of its divisors is an integer number (149754024).

Almost surely, 21452121853 is an apocalyptic number.

1452121853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1452121853 is a deficient number, since it is larger than the sum of its proper divisors (344926435).

1452121853 is a wasteful number, since it uses less digits than its factorization.

1452121853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227524 (or 1227511 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 1452121853 is about 38106.7166389339. The cubic root of 1452121853 is about 1132.4030238569.

The spelling of 1452121853 in words is "one billion, four hundred fifty-two million, one hundred twenty-one thousand, eight hundred fifty-three".

Divisors: 1 7 13 91 169 1183 1227491 8592437 15957383 111701681 207445979 1452121853