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3450215272780 = 225672574787517
BaseRepresentation
bin110010001101010000110…
…110110001000101001100
3110012211121102201210210201
4302031100312301011030
5423012020102212110
611201001303143244
7504161356635223
oct62152066610514
913184542653721
103450215272780
111110256635811
12478812144b24
131c047a6b1ab3
14bcdc4225cba
155eb34856b3a
hex32350db114c

3450215272780 has 24 divisors (see below), whose sum is σ = 7353593151408. Its totient is φ = 1359487808448.

The previous prime is 3450215272739. The next prime is 3450215272781. The reversal of 3450215272780 is 872725120543.

It is a self number, because there is not a number n which added to its sum of digits gives 3450215272780.

It is not an unprimeable number, because it can be changed into a prime (3450215272781) 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, 1287392419 + ... + 1287395098.

It is an arithmetic number, because the mean of its divisors is an integer number (306399714642).

Almost surely, 23450215272780 is an apocalyptic number.

It is an amenable number.

3450215272780 is an abundant number, since it is smaller than the sum of its proper divisors (3903377878628).

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

3450215272780 is a wasteful number, since it uses less digits than its factorization.

3450215272780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574787593 (or 2574787591 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 3450215272780 in words is "three trillion, four hundred fifty billion, two hundred fifteen million, two hundred seventy-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 2574787517 5149575034 10299150068 12873937585 25747875170 51495750340 172510763639 345021527278 690043054556 862553818195 1725107636390 3450215272780