Search a number
-
+
3278952229980 = 22357173137400381
BaseRepresentation
bin101111101101110000110…
…010000110110001011100
3102121110112211002210200110
4233231300302012301130
5412210243232324410
610550155125530020
7455616331042440
oct57556062066134
912543484083613
103278952229980
111054661062919
1244b596573910
131aa285b8c60b
14b49b892c820
155a45e1bb720
hex2fb70c86c5c

3278952229980 has 384 divisors, whose sum is σ = 11778226274304. Its totient is φ = 664182374400.

The previous prime is 3278952229979. The next prime is 3278952229981. The reversal of 3278952229980 is 899222598723.

It is an interprime number because it is at equal distance from previous prime (3278952229979) and next prime (3278952229981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278952229981) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7989390 + ... + 8389770.

It is an arithmetic number, because the mean of its divisors is an integer number (30672464256).

Almost surely, 23278952229980 is an apocalyptic number.

3278952229980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3278952229980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5889113137152).

3278952229980 is an abundant number, since it is smaller than the sum of its proper divisors (8499274044324).

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

3278952229980 is a wasteful number, since it uses less digits than its factorization.

3278952229980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400485 (or 400483 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 3278952229980 in words is "three trillion, two hundred seventy-eight billion, nine hundred fifty-two million, two hundred twenty-nine thousand, nine hundred eighty".