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240561690402720 = 253531149108501881
BaseRepresentation
bin110110101100101000100010…
…000110100101111110100000
31011112202110202211010221110210
4312230220202012211332200
5223012330320220341340
62211344303120254120
7101446002642126351
oct6654504206457640
91145673684127423
10240561690402720
116a717704890515
1222b92573471340
13a42cb406ca68b
1443593684bdd28
151cc286574c180
hexdaca221a5fa0

240561690402720 has 192 divisors, whose sum is σ = 787463258803200. Its totient is φ = 61663788441600.

The previous prime is 240561690402701. The next prime is 240561690402727. The reversal of 240561690402720 is 27204096165042.

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 240561690402720.

It is not an unprimeable number, because it can be changed into a prime (240561690402727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52033821 + ... + 56468060.

It is an arithmetic number, because the mean of its divisors is an integer number (4101371139600).

Almost surely, 2240561690402720 is an apocalyptic number.

240561690402720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240561690402720 is an abundant number, since it is smaller than the sum of its proper divisors (546901568400480).

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

240561690402720 is a wasteful number, since it uses less digits than its factorization.

240561690402720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108502079 (or 108502071 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 240561690402720 in words is "two hundred forty trillion, five hundred sixty-one billion, six hundred ninety million, four hundred two thousand, seven hundred twenty".