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1231424155054 = 29711715420621
BaseRepresentation
bin10001111010110110100…
…110010110110110101110
311100201112001210120211001
4101322312212112312232
5130133424040430204
62341413005150514
7154652560420312
oct21726646266656
94321461716731
101231424155054
11435275917975
1217a7a955b43a
138c179a37cb2
144385bb71b42
152207387b4a4
hex11eb6996dae

1231424155054 has 16 divisors (see below), whose sum is σ = 1867772881296. Its totient is φ = 608844038400.

The previous prime is 1231424155043. The next prime is 1231424155061. The reversal of 1231424155054 is 4505514241321.

It is a congruent number.

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, 2483137 + ... + 2937484.

It is an arithmetic number, because the mean of its divisors is an integer number (116735805081).

Almost surely, 21231424155054 is an apocalyptic number.

1231424155054 is a deficient number, since it is larger than the sum of its proper divisors (636348726242).

1231424155054 is a wasteful number, since it uses less digits than its factorization.

1231424155054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421891.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 1231424155054 its reverse (4505514241321), we get a palindrome (5736938396375).

The spelling of 1231424155054 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-four million, one hundred fifty-five thousand, fifty-four".

Divisors: 1 2 97 194 1171 2342 113587 227174 5420621 10841242 525800237 1051600474 6347547191 12695094382 615712077527 1231424155054