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78272576258041 = 112192423312
BaseRepresentation
bin10001110011000001000001…
…000110100111111111111001
3101021010210012102022202200101
4101303001001012213333321
540224404214010224131
6434245531454435401
722326002256434314
oct2163010106477771
9337123172282611
1078272576258041
1122a38238810400
1289418bb502b61
13348a0c2a13bc9
1415485ad01d97b
1590b0b1781c61
hex4730411a7ff9

78272576258041 has 27 divisors (see below), whose sum is σ = 90803780965989. Its totient is φ = 67410195672600.

The previous prime is 78272576258027. The next prime is 78272576258099. The reversal of 78272576258041 is 14085267527287.

The square root of 78272576258041 is 8847179.

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

It is not a de Polignac number, because 78272576258041 - 213 = 78272576249849 is a prime.

It is a super-2 number, since 2×782725762580412 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78272576258011) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1849039246 + ... + 1849081576.

Almost surely, 278272576258041 is an apocalyptic number.

78272576258041 is the 8847179-th square number.

78272576258041 is the 4423590-th centered octagonal number.

It is an amenable number.

78272576258041 is a deficient number, since it is larger than the sum of its proper divisors (12531204707948).

78272576258041 is an frugal number, since it uses more digits than its factorization.

78272576258041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722 (or 42361 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 78272576258041 in words is "seventy-eight trillion, two hundred seventy-two billion, five hundred seventy-six million, two hundred fifty-eight thousand, forty-one".

Divisors: 1 11 19 121 209 361 2299 3971 42331 43681 465641 804289 5122051 8847179 15281491 97318969 168096401 1791913561 1849060411 19711049171 34046357659 216821540881 374509934249 646880795521 4119609276739 7115688750731 78272576258041