Search a number
-
+
4278028122060 = 22357113312797523
BaseRepresentation
bin111110010000001110010…
…110001011011111001100
3120010222100010122200102020
4332100032112023133030
51030042400144401220
613033144325330140
7621035345024340
oct76201626133714
916128303580366
104278028122060
1113aa33538a860
1259113ab66950
13250554870624
1410b0b4341620
1576434743040
hex3e40e58b7cc

4278028122060 has 192 divisors, whose sum is σ = 14979331067904. Its totient is φ = 886254969600.

The previous prime is 4278028122047. The next prime is 4278028122073. The reversal of 4278028122060 is 602218208724.

It is an interprime number because it is at equal distance from previous prime (4278028122047) and next prime (4278028122073).

It is a super-2 number, since 2×42780281220602 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130459 + ... + 2927981.

It is an arithmetic number, because the mean of its divisors is an integer number (78017349312).

Almost surely, 24278028122060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278028122060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7489665533952).

4278028122060 is an abundant number, since it is smaller than the sum of its proper divisors (10701302945844).

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

4278028122060 is a wasteful number, since it uses less digits than its factorization.

4278028122060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797884 (or 2797882 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 4278028122060 in words is "four trillion, two hundred seventy-eight billion, twenty-eight million, one hundred twenty-two thousand, sixty".