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1157451070801 = 372290772
BaseRepresentation
bin10000110101111101011…
…101011011110101010001
311002122120202101112221211
4100311331131123311101
5122430424433231201
62243420425220121
7146423500525534
oct20657535336521
94078522345854
101157451070801
11406965a558a3
121683a4031641
13851bb43411c
1440041610a1b
1520194560651
hex10d7d75bd51

1157451070801 has 9 divisors (see below), whose sum is σ = 1189619916849. Its totient is φ = 1126129878864.

The previous prime is 1157451070799. The next prime is 1157451070807. The reversal of 1157451070801 is 1080701547511.

The square root of 1157451070801 is 1075849.

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

It can be written as a sum of positive squares in 4 ways, for example, as 571307710801 + 586143360000 = 755849^2 + 765600^2 .

It is not a de Polignac number, because 1157451070801 - 21 = 1157451070799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157451070807) 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, 39791875 + ... + 39820951.

It is an arithmetic number, because the mean of its divisors is an integer number (132179990761).

Almost surely, 21157451070801 is an apocalyptic number.

1157451070801 is the 1075849-th square number.

1157451070801 is the 537925-th centered octagonal number.

It is an amenable number.

1157451070801 is a deficient number, since it is larger than the sum of its proper divisors (32168846048).

1157451070801 is an frugal number, since it uses more digits than its factorization.

1157451070801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58228 (or 29114 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 40.

The spelling of 1157451070801 in words is "one trillion, one hundred fifty-seven billion, four hundred fifty-one million, seventy thousand, eight hundred one".

Divisors: 1 37 1369 29077 1075849 39806413 845471929 31282461373 1157451070801