Search a number
-
+
3120045244640 = 25519798986207
BaseRepresentation
bin101101011001110001001…
…100000100000011100000
3102001021101022120112220222
4231121301030010003200
5402104323040312030
610345155021422212
7441262426000052
oct55316114040340
912037338515828
103120045244640
11aa3227223865
12424828a0a968
131982b01c903c
14ab0222598d2
155625d6853e5
hex2d6713040e0

3120045244640 has 48 divisors (see below), whose sum is σ = 7408523751552. Its totient is φ = 1241682968064.

The previous prime is 3120045244607. The next prime is 3120045244643. The reversal of 3120045244640 is 464425400213.

It is a self number, because there is not a number n which added to its sum of digits gives 3120045244640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120045244643) 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, 49461584 + ... + 49524623.

It is an arithmetic number, because the mean of its divisors is an integer number (154344244824).

Almost surely, 23120045244640 is an apocalyptic number.

It is an amenable number.

3120045244640 is an abundant number, since it is smaller than the sum of its proper divisors (4288478506912).

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

3120045244640 is a wasteful number, since it uses less digits than its factorization.

3120045244640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98986419 (or 98986411 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 3120045244640 in words is "three trillion, one hundred twenty billion, forty-five million, two hundred forty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 197 394 788 985 1576 1970 3152 3940 6304 7880 15760 31520 98986207 197972414 395944828 494931035 791889656 989862070 1583779312 1979724140 3167558624 3959448280 7918896560 15837793120 19500282779 39000565558 78001131116 97501413895 156002262232 195002827790 312004524464 390005655580 624009048928 780011311160 1560022622320 3120045244640