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28694368700101 = 136773451289947
BaseRepresentation
bin1101000011000111011011…
…01001110100011011000101
310202121011011220001122001001
412201203231221310123011
512230112031341400401
6141010002213133301
76021046130426536
oct641435551643305
9122534156048031
1028694368700101
119163239085a05
1232751b202a231
131301b3777bac0
14712b59d6a68d
1534b6167ea601
hex1a18eda746c5

28694368700101 has 16 divisors (see below), whose sum is σ = 31792474256704. Its totient is φ = 25734357880704.

The previous prime is 28694368700099. The next prime is 28694368700119. The reversal of 28694368700101 is 10100786349682.

It is a cyclic number.

It is not a de Polignac number, because 28694368700101 - 21 = 28694368700099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28694368700141) 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, 225581391 + ... + 225708556.

It is an arithmetic number, because the mean of its divisors is an integer number (1987029641044).

Almost surely, 228694368700101 is an apocalyptic number.

It is an amenable number.

28694368700101 is a deficient number, since it is larger than the sum of its proper divisors (3098105556603).

28694368700101 is a wasteful number, since it uses less digits than its factorization.

28694368700101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451290100.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 28694368700101 in words is "twenty-eight trillion, six hundred ninety-four billion, three hundred sixty-eight million, seven hundred thousand, one hundred one".

Divisors: 1 13 67 73 871 949 4891 63583 451289947 5866769311 30236426449 32944166131 393073543837 428274159703 2207259130777 28694368700101