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1142214062440 = 235112235994641
BaseRepresentation
bin10000100111110001010…
…000110111000101101000
311001012020212021022220211
4100213301100313011220
5122203223244444230
62232420443230504
7145344062223613
oct20476120670550
94035225238824
101142214062440
11400457073a00
12165451218434
1383930773b49
143d3d7b3317a
151eaa1a3142a
hex109f1437168

1142214062440 has 48 divisors (see below), whose sum is σ = 2824855864740. Its totient is φ = 415350566400.

The previous prime is 1142214062377. The next prime is 1142214062447. The reversal of 1142214062440 is 442604122411.

It can be written as a sum of positive squares in 2 ways, for example, as 1080423040356 + 61791022084 = 1039434^2 + 248578^2 .

It is not an unprimeable number, because it can be changed into a prime (1142214062447) 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, 117992481 + ... + 118002160.

Almost surely, 21142214062440 is an apocalyptic number.

1142214062440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142214062440 is an abundant number, since it is smaller than the sum of its proper divisors (1682641802300).

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

1142214062440 is a wasteful number, since it uses less digits than its factorization.

1142214062440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235994674 (or 235994659 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 1142214062440 its reverse (442604122411), we get a palindrome (1584818184851).

The spelling of 1142214062440 in words is "one trillion, one hundred forty-two billion, two hundred fourteen million, sixty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 235994641 471989282 943978564 1179973205 1887957128 2359946410 2595941051 4719892820 5191882102 9439785640 10383764204 12979705255 20767528408 25959410510 28555351561 51918821020 57110703122 103837642040 114221406244 142776757805 228442812488 285553515610 571107031220 1142214062440