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108688050285853 = 67109283373140989
BaseRepresentation
bin11000101101100111101000…
…101000001110110100011101
3112020211110212002200221202111
4120231213220220032310131
5103221221111333121403
61023054333452154021
731615311131116333
oct3055475050166435
9466743762627674
10108688050285853
11316a4385992995
1210234580168911
13488531559aa5c
141cba75b707b53
15c8735b6a156d
hex62d9e8a0ed1d

108688050285853 has 32 divisors (see below), whose sum is σ = 112015945923200. Its totient is φ = 105424582323456.

The previous prime is 108688050285851. The next prime is 108688050286003. The reversal of 108688050285853 is 358582050886801.

It is a cyclic number.

It is not a de Polignac number, because 108688050285853 - 21 = 108688050285851 is a prime.

It is a super-2 number, since 2×1086880502858532 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108688050285851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770826883 + ... + 770967871.

It is an arithmetic number, because the mean of its divisors is an integer number (3500498310100).

Almost surely, 2108688050285853 is an apocalyptic number.

It is an amenable number.

108688050285853 is a deficient number, since it is larger than the sum of its proper divisors (3327895637347).

108688050285853 is a wasteful number, since it uses less digits than its factorization.

108688050285853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141821.

The product of its (nonzero) digits is 147456000, while the sum is 67.

The spelling of 108688050285853 in words is "one hundred eight trillion, six hundred eighty-eight billion, fifty million, two hundred eighty-five thousand, eight hundred fifty-three".

Divisors: 1 67 109 283 373 7303 18961 24991 30847 40657 105559 140989 2066749 2724019 7072453 9446263 11505931 15367801 39899887 52588897 770897377 1029642667 2673292429 3523456099 4349087683 5732189773 14882657851 291388874761 384056714791 997138076017 1622209705759 108688050285853