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30073543084225 = 5210967872
BaseRepresentation
bin1101101011010000010101…
…10110100100100011000001
310221111000001220222112012101
412311220022312210203001
512420211104012143400
6143543332302430401
76222512301320404
oct665501266444301
9127430056875171
1030073543084225
119645133067803
123458554892401
1313a1bcc929834
1475d7d2777d3b
153724364a756a
hex1b5a0ada48c1

30073543084225 has 9 divisors (see below), whose sum is σ = 37291227424867. Its totient is φ = 24058812531640.

The previous prime is 30073543084213. The next prime is 30073543084229. The reversal of 30073543084225 is 52248034537003.

It is a happy number.

The square root of 30073543084225 is 5483935.

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., 10826475510321 + 19247067573904 = 3290361^2 + 4387148^2 .

It is not a de Polignac number, because 30073543084225 - 243 = 21277450062017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30073543084229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26871282 + ... + 27968068.

Almost surely, 230073543084225 is an apocalyptic number.

30073543084225 is the 5483935-th square number.

30073543084225 is the 2741968-th centered octagonal number.

It is an amenable number.

30073543084225 is a deficient number, since it is larger than the sum of its proper divisors (7217684340642).

30073543084225 is an frugal number, since it uses more digits than its factorization.

30073543084225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193584 (or 1096792 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 30073543084225 in words is "thirty trillion, seventy-three billion, five hundred forty-three million, eighty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 1096787 5483935 27419675 1202941723369 6014708616845 30073543084225