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28916600661982 = 2112979756868037
BaseRepresentation
bin1101001001100101010111…
…01101011110011111011110
310210101101210121200222220001
412210302223231132133132
512242232144232140412
6141300034123244514
76043104215066125
oct644625355363736
9123341717628801
1028916600661982
119239509246120
1232b029307973a
131319a929b81b7
1471d7dc930abc
153522c191c957
hex1a4cabb5e7de

28916600661982 has 32 divisors (see below), whose sum is σ = 49011149869920. Its totient is φ = 12674747863680.

The previous prime is 28916600661967. The next prime is 28916600662013.

28916600661982 is nontrivially palindromic in base 10.

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, 27925533 + ... + 28942504.

It is an arithmetic number, because the mean of its divisors is an integer number (1531598433435).

Almost surely, 228916600661982 is an apocalyptic number.

28916600661982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28916600661982 is a deficient number, since it is larger than the sum of its proper divisors (20094549207938).

28916600661982 is a wasteful number, since it uses less digits than its factorization.

28916600661982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56868876.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 28916600661982 in words is "twenty-eight trillion, nine hundred sixteen billion, six hundred million, six hundred sixty-one thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 29 58 319 638 797 1594 8767 17534 23113 46226 254243 508486 56868037 113736074 625548407 1251096814 1649173073 3298346146 18140903803 36281807606 45323825489 90647650978 498562080379 997124160758 1314390939181 2628781878362 14458300330991 28916600661982