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4278260780 = 2251911258581
BaseRepresentation
bin1111111100000001…
…0001010000101100
3102001011022011110222
43333000101100230
532230213321110
61544305550512
7211006421333
oct37700212054
912034264428
104278260780
1118a5a6a712
129b4945438
1353247a571
142c82a8d1a
151a08dcc55
hexff01142c

4278260780 has 24 divisors (see below), whose sum is σ = 9457208880. Its totient is φ = 1621235520.

The previous prime is 4278260759. The next prime is 4278260801. The reversal of 4278260780 is 870628724.

It is an interprime number because it is at equal distance from previous prime (4278260759) and next prime (4278260801).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628911 + ... + 5629670.

It is an arithmetic number, because the mean of its divisors is an integer number (394050370).

Almost surely, 24278260780 is an apocalyptic number.

It is an amenable number.

4278260780 is an abundant number, since it is smaller than the sum of its proper divisors (5178948100).

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

4278260780 is a wasteful number, since it uses less digits than its factorization.

4278260780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11258609 (or 11258607 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 4278260780 is about 65408.4152078309. The cubic root of 4278260780 is about 1623.3883230120.

The spelling of 4278260780 in words is "four billion, two hundred seventy-eight million, two hundred sixty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 11258581 22517162 45034324 56292905 112585810 213913039 225171620 427826078 855652156 1069565195 2139130390 4278260780