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2782993235245 = 53754127806297
BaseRepresentation
bin101000011111110111010…
…100101011110100101101
3100212001101120202102112121
4220133313110223310231
5331044032232011440
65530253415232541
7405031111122406
oct50376724536455
910761346672477
102782993235245
119832961464a3
1238b442978751
13172586cbc522
14989aa2949ad
154c5d320d34a
hex287f752bd2d

2782993235245 has 16 divisors (see below), whose sum is σ = 3436191081648. Its totient is φ = 2162217576960.

The previous prime is 2782993235237. The next prime is 2782993235251. The reversal of 2782993235245 is 5425323992872.

It can be written as a sum of positive squares in 8 ways, for example, as 15065598564 + 2767927636681 = 122742^2 + 1663709^2 .

It is not a de Polignac number, because 2782993235245 - 23 = 2782993235237 is a prime.

It is a Duffinian number.

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, 13803064 + ... + 14003233.

It is an arithmetic number, because the mean of its divisors is an integer number (214761942603).

Almost surely, 22782993235245 is an apocalyptic number.

It is an amenable number.

2782993235245 is a deficient number, since it is larger than the sum of its proper divisors (653197846403).

2782993235245 is a wasteful number, since it uses less digits than its factorization.

2782993235245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27806880.

The product of its digits is 65318400, while the sum is 61.

The spelling of 2782993235245 in words is "two trillion, seven hundred eighty-two billion, nine hundred ninety-three million, two hundred thirty-five thousand, two hundred forty-five".

Divisors: 1 5 37 185 541 2705 20017 100085 27806297 139031485 1028832989 5144164945 15043206677 75216033385 556598647049 2782993235245