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102693680089856 = 281731319753437
BaseRepresentation
bin10111010110011000111100…
…010100101000101100000000
3111110121102100010122002002122
4113112120330110220230000
5101430013124100333411
61002224454135303412
730426242061132662
oct2726307424505400
9443542303562078
10102693680089856
112a7a3166212619
12b62688181ab68
13453bc846cc13b
141b505874c0532
15bd1471ac89db
hex5d663c528b00

102693680089856 has 72 divisors (see below), whose sum is σ = 217051443715680. Its totient is φ = 48324830511104.

The previous prime is 102693680089849. The next prime is 102693680089859. The reversal of 102693680089856 is 658980086396201.

It is a self number, because there is not a number n which added to its sum of digits gives 102693680089856.

It is not an unprimeable number, because it can be changed into a prime (102693680089859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135923570 + ... + 136677006.

It is an arithmetic number, because the mean of its divisors is an integer number (3014603384940).

Almost surely, 2102693680089856 is an apocalyptic number.

102693680089856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102693680089856 is an abundant number, since it is smaller than the sum of its proper divisors (114357763625824).

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

102693680089856 is an equidigital number, since it uses as much as digits as its factorization.

102693680089856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784789 (or 784775 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 71.

The spelling of 102693680089856 in words is "one hundred two trillion, six hundred ninety-three billion, six hundred eighty million, eighty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 2176 4352 31319 62638 125276 250552 501104 532423 753437 1002208 1064846 1506874 2004416 2129692 3013748 4008832 4259384 6027496 8017664 8518768 12054992 12808429 17037536 24109984 25616858 34075072 48219968 51233716 68150144 96439936 102467432 136300288 192879872 204934864 409869728 819739456 1639478912 3278957824 23596893403 47193786806 94387573612 188775147224 377550294448 401147187851 755100588896 802294375702 1510201177792 1604588751404 3020402355584 3209177502808 6040804711168 6418355005616 12836710011232 25673420022464 51346840044928 102693680089856