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1232142056890 = 25413005224529
BaseRepresentation
bin10001111011100001011…
…000111011110110111010
311100210101002122202222221
4101323201120323312322
5130141411331310030
62342012132234254
7155006425451503
oct21734130736672
94323332582887
101232142056890
11435604084178
1217a969a6b98a
138c2626a4794
14438c9249baa
15220b68d7e7a
hex11ee163bdba

1232142056890 has 16 divisors (see below), whose sum is σ = 2271949744680. Its totient is φ = 480835924480.

The previous prime is 1232142056837. The next prime is 1232142056897. The reversal of 1232142056890 is 986502412321.

It can be written as a sum of positive squares in 4 ways, for example, as 815819013529 + 416323043361 = 903227^2 + 645231^2 .

It is not an unprimeable number, because it can be changed into a prime (1232142056897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502611855 + ... + 1502612674.

Almost surely, 21232142056890 is an apocalyptic number.

1232142056890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232142056890 is a deficient number, since it is larger than the sum of its proper divisors (1039807687790).

1232142056890 is a wasteful number, since it uses less digits than its factorization.

1232142056890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005224577.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 1232142056890 in words is "one trillion, two hundred thirty-two billion, one hundred forty-two million, fifty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 3005224529 6010449058 15026122645 30052245290 123214205689 246428411378 616071028445 1232142056890