Search a number
-
+
6955580640 = 253514490793
BaseRepresentation
bin1100111101001010…
…11011110011100000
3122221202011002212210
412132211123303200
5103221112040030
63110110122120
7334236313521
oct63645336340
918852132783
106955580640
112a4a275758
1214214b0340
1386b0529b8
1449dab6848
152aa992bb0
hex19e95bce0

6955580640 has 48 divisors (see below), whose sum is σ = 21910080528. Its totient is φ = 1854821376.

The previous prime is 6955580573. The next prime is 6955580657. The reversal of 6955580640 is 460855596.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6955580640.

It is a congruent number.

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, 7244917 + ... + 7245876.

It is an arithmetic number, because the mean of its divisors is an integer number (456460011).

Almost surely, 26955580640 is an apocalyptic number.

6955580640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6955580640 is an abundant number, since it is smaller than the sum of its proper divisors (14954499888).

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

6955580640 is a wasteful number, since it uses less digits than its factorization.

6955580640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490811 (or 14490803 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 6955580640 is about 83400.1237409154. The cubic root of 6955580640 is about 1908.8763472078.

The spelling of 6955580640 in words is "six billion, nine hundred fifty-five million, five hundred eighty thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 14490793 28981586 43472379 57963172 72453965 86944758 115926344 144907930 173889516 217361895 231852688 289815860 347779032 434723790 463705376 579631720 695558064 869447580 1159263440 1391116128 1738895160 2318526880 3477790320 6955580640