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20477701054 = 2531935711753
BaseRepresentation
bin10011000100100100…
…001110101110111110
31221212010101222220101
4103010210032232332
5313414242413204
613223552111314
71323312405226
oct230444165676
957763358811
1020477701054
118759145988
123b75b3553a
131c14653095
14dc3915086
157ecb7bea4
hex4c490ebbe

20477701054 has 32 divisors (see below), whose sum is σ = 31531335264. Its totient is φ = 9970421760.

The previous prime is 20477701039. The next prime is 20477701063. The reversal of 20477701054 is 45010777402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11680642 + ... + 11682394.

It is an arithmetic number, because the mean of its divisors is an integer number (985354227).

Almost surely, 220477701054 is an apocalyptic number.

20477701054 is a deficient number, since it is larger than the sum of its proper divisors (11053634210).

20477701054 is a wasteful number, since it uses less digits than its factorization.

20477701054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 54880, while the sum is 37.

The spelling of 20477701054 in words is "twenty billion, four hundred seventy-seven million, seven hundred one thousand, fifty-four".

Divisors: 1 2 53 106 193 386 571 1142 1753 3506 10229 20458 30263 60526 92909 110203 185818 220406 338329 676658 1000963 2001926 5840759 11681518 17931437 35862874 53051039 106102078 193185859 386371718 10238850527 20477701054