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1472128435969 = 41210122932
BaseRepresentation
bin10101011011000001101…
…100010100011100000001
312012201211011100222121021
4111123001230110130001
5143104404334422334
63044141513225441
7211233500146252
oct25330154243401
95181734328537
101472128435969
1151836513a854
121b9384a02281
13a8a89cb7499
1451373b90b29
15284605533b4
hex156c1b14701

1472128435969 has 27 divisors (see below), whose sum is σ = 1529216479867. Its totient is φ = 1417149584000.

The previous prime is 1472128435951. The next prime is 1472128435991. The reversal of 1472128435969 is 9695348212741.

The square root of 1472128435969 is 1213313.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 65323692225 + 1406804743744 = 255585^2 + 1186088^2 .

It is not a de Polignac number, because 1472128435969 - 25 = 1472128435937 is a prime.

It is a super-2 number, since 2×14721284359692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472128435909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5024328987 + ... + 5024329279.

Almost surely, 21472128435969 is an apocalyptic number.

1472128435969 is the 1213313-rd square number.

1472128435969 is the 606657-th centered octagonal number.

It is an amenable number.

1472128435969 is a deficient number, since it is larger than the sum of its proper divisors (57088043898).

1472128435969 is an frugal number, since it uses more digits than its factorization.

1472128435969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 435 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 1472128435969 in words is "one trillion, four hundred seventy-two billion, one hundred twenty-eight million, four hundred thirty-five thousand, nine hundred sixty-nine".

Divisors: 1 41 101 293 1681 4141 10201 12013 29593 85849 169781 418241 492533 1213313 2988893 3519809 8670749 17147881 49745833 122544613 144312169 355500709 875745649 5024329133 14575529069 35905571609 1472128435969