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1440130102 = 247163193487
BaseRepresentation
bin101010111010110…
…1010010000110110
310201100212012002221
41111311222100312
510422133130402
6354522552554
750454622015
oct12565522066
93640765087
101440130102
11679a09074
1234236875a
1319c48c5b8
14d939aa7c
1586670337
hex55d6a436

1440130102 has 32 divisors (see below), whose sum is σ = 2235773952. Its totient is φ = 695361024.

The previous prime is 1440130091. The next prime is 1440130103. The reversal of 1440130102 is 2010310441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440130103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956903 + ... + 2957389.

It is an arithmetic number, because the mean of its divisors is an integer number (69867936).

Almost surely, 21440130102 is an apocalyptic number.

1440130102 is a deficient number, since it is larger than the sum of its proper divisors (795643850).

1440130102 is a wasteful number, since it uses less digits than its factorization.

1440130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1440130102 is about 37949.0461276697. The cubic root of 1440130102 is about 1129.2772421524.

Adding to 1440130102 its reverse (2010310441), we get a palindrome (3450440543).

The spelling of 1440130102 in words is "one billion, four hundred forty million, one hundred thirty thousand, one hundred two".

Divisors: 1 2 47 94 163 193 326 386 487 974 7661 9071 15322 18142 22889 31459 45778 62918 79381 93991 158762 187982 1478573 2957146 3730907 4417577 7461814 8835154 15320533 30641066 720065051 1440130102