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7530276898225 = 525488272
BaseRepresentation
bin110110110010100011101…
…1110101100010110110001
3222122212221221111110221201
41231211013132230112301
51441334001341220400
624003210023451201
71405021165350064
oct155450736542661
928585857443851
107530276898225
112443632aa4584
12a175025b6b01
1342814330b0a3
141c06785828db
15d0d2e40506a
hex6d9477ac5b1

7530276898225 has 9 divisors (see below), whose sum is σ = 9337560367467. Its totient is φ = 6024210542040.

The previous prime is 7530276898219. The next prime is 7530276898283. The reversal of 7530276898225 is 5228986720357.

The square root of 7530276898225 is 2744135.

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

It can be written as a sum of positive squares in only one way, i.e., 2710899683361 + 4819377214864 = 1646481^2 + 2195308^2 .

It is not a de Polignac number, because 7530276898225 - 221 = 7530274801073 is a prime.

It is a super-2 number, since 2×75302768982252 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13446262 + ... + 13995088.

Almost surely, 27530276898225 is an apocalyptic number.

7530276898225 is the 2744135-th square number.

7530276898225 is the 1372068-th centered octagonal number.

It is an amenable number.

7530276898225 is a deficient number, since it is larger than the sum of its proper divisors (1807283469242).

7530276898225 is an frugal number, since it uses more digits than its factorization.

7530276898225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097664 (or 548832 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 64.

Multiplying 7530276898225 by its sum of digits (64), we get a square (481937721486400 = 219530802).

The spelling of 7530276898225 in words is "seven trillion, five hundred thirty billion, two hundred seventy-six million, eight hundred ninety-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 548827 2744135 13720675 301211075929 1506055379645 7530276898225