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13768906681250 = 2557314717867
BaseRepresentation
bin1100100001011101001011…
…0010101010101110100010
31210202021221210002000111222
43020113102302222232202
53301042210102300000
645141203131135042
72620525225506350
oct310272262525642
953667853060458
1013768906681250
1144293a6959946
12166460aba4482
1378b52cbbb116
143585c0a627d0
1518d262d88a85
hexc85d2caaba2

13768906681250 has 48 divisors (see below), whose sum is σ = 29502911817792. Its totient is φ = 4720767990000.

The previous prime is 13768906681177. The next prime is 13768906681301. The reversal of 13768906681250 is 5218660986731.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157315184 + ... + 157402683.

It is an arithmetic number, because the mean of its divisors is an integer number (614643996204).

Almost surely, 213768906681250 is an apocalyptic number.

13768906681250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13768906681250 is an abundant number, since it is smaller than the sum of its proper divisors (15734005136542).

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

13768906681250 is an frugal number, since it uses more digits than its factorization.

13768906681250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314717901 (or 314717881 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 13768906681250 in words is "thirteen trillion, seven hundred sixty-eight billion, nine hundred six million, six hundred eighty-one thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 625 875 1250 1750 3125 4375 6250 8750 21875 43750 314717867 629435734 1573589335 2203025069 3147178670 4406050138 7867946675 11015125345 15735893350 22030250690 39339733375 55075626725 78679466750 110151253450 196698666875 275378133625 393397333750 550756267250 983493334375 1376890668125 1966986668750 2753781336250 6884453340625 13768906681250