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720422461952 = 29375112
BaseRepresentation
bin10100111101111001000…
…01100110001000000000
32112212112110221221211122
422132330201212020000
543300411122240302
61310542453331412
7103022511613634
oct12367441461000
92485473857748
10720422461952
11258590775626
12b7758036b68
1352c2151c05b
1426c2375adc4
1513b16e723a2
hexa7bc866200

720422461952 has 30 divisors (see below), whose sum is σ = 1439476223559. Its totient is φ = 360201628160.

The previous prime is 720422461933. The next prime is 720422461991. The reversal of 720422461952 is 259164224027.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 360211230976 + 360211230976 = 600176^2 + 600176^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=600176.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19186877 + ... + 19224387.

Almost surely, 2720422461952 is an apocalyptic number.

It is an amenable number.

720422461952 is a deficient number, since it is larger than the sum of its proper divisors (719053761607).

720422461952 is an frugal number, since it uses more digits than its factorization.

720422461952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75040 (or 37513 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

Adding to 720422461952 its reverse (259164224027), we get a palindrome (979586685979).

The spelling of 720422461952 in words is "seven hundred twenty billion, four hundred twenty-two million, four hundred sixty-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 37511 75022 150044 300088 600176 1200352 2400704 4801408 9602816 19205632 1407075121 2814150242 5628300484 11256600968 22513201936 45026403872 90052807744 180105615488 360211230976 720422461952