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1028414273478 = 231992713178297
BaseRepresentation
bin11101111011100100100…
…01000111011111000110
310122022111221220002000020
432331302101013133012
5113322143023222403
62104240315000010
7134205031043334
oct16756221073706
93568457802006
101028414273478
1136716a057139
12147391a39006
1375c95c84907
1437ac0034b54
151bb41060453
hexef724477c6

1028414273478 has 32 divisors (see below), whose sum is σ = 2074792934400. Its totient is φ = 339823408320.

The previous prime is 1028414273461. The next prime is 1028414273479. The reversal of 1028414273478 is 8743724148201.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028414273478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028414273479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265575 + ... + 1912722.

It is an arithmetic number, because the mean of its divisors is an integer number (64837279200).

Almost surely, 21028414273478 is an apocalyptic number.

1028414273478 is an abundant number, since it is smaller than the sum of its proper divisors (1046378660922).

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

1028414273478 is a wasteful number, since it uses less digits than its factorization.

1028414273478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178772.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 1028414273478 in words is "one trillion, twenty-eight billion, four hundred fourteen million, two hundred seventy-three thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 199 271 398 542 597 813 1194 1626 53929 107858 161787 323574 3178297 6356594 9534891 19069782 632481103 861318487 1264962206 1722636974 1897443309 2583955461 3794886618 5167910922 171402378913 342804757826 514207136739 1028414273478