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1072912714225 = 521123725092
BaseRepresentation
bin11111001110011101001…
…01001100100111110001
310210120101010120002010021
433213032211030213301
5120034311123323400
62140520031003441
7140341530411622
oct17471645144761
93716333502107
101072912714225
11384024290300
12153b30369581
137a237cb6021
1439d01c23a49
151cd9792871a
hexf9ce94c9f1

1072912714225 has 81 divisors (see below), whose sum is σ = 1505903226051. Its totient is φ = 757719388800.

The previous prime is 1072912714187. The next prime is 1072912714231. The reversal of 1072912714225 is 5224172192701.

It is a happy number.

The square root of 1072912714225 is 1035815.

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 19079068129 + 1053833646096 = 138127^2 + 1026564^2 .

It is a de Polignac number, because none of the positive numbers 2k-1072912714225 is a prime.

It is a super-2 number, since 2×10729127142252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2107883271 + ... + 2107883779.

Almost surely, 21072912714225 is an apocalyptic number.

1072912714225 is the 1035815-th square number.

1072912714225 is the 517908-th centered octagonal number.

It is an amenable number.

1072912714225 is a deficient number, since it is larger than the sum of its proper divisors (432990511826).

1072912714225 is an frugal number, since it uses more digits than its factorization.

1072912714225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 1072912714225 in words is "one trillion, seventy-two billion, nine hundred twelve million, seven hundred fourteen thousand, two hundred twenty-five".

Divisors: 1 5 11 25 37 55 121 185 275 407 509 605 925 1369 2035 2545 3025 4477 5599 6845 10175 12725 15059 18833 22385 27995 34225 61589 75295 94165 111925 139975 165649 207163 259081 307945 376475 470825 696821 828245 1035815 1295405 1539725 2278793 2849891 3484105 4141225 5179075 6477025 7665031 9585997 11393965 14249455 17420525 31348801 38325155 47929985 56969825 71247275 84315341 105445967 156744005 191625775 239649925 354681889 421576705 527229835 783720025 1159905637 1773409445 2107883525 2636149175 3901500779 5799528185 8867047225 19507503895 28997640925 42916508569 97537519475 214582542845 1072912714225