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245371423353 = 3743503540217
BaseRepresentation
bin1110010010000101000…
…1101100101001111001
3212110100100121210121120
43210201101230221321
513010010041021403
6304415545055453
723504350454130
oct3444121545171
9773310553546
10245371423353
11950748540a1
123b67a487589
131a1a5177744
14bc39bd6917
1565b17cde53
hex392146ca79

245371423353 has 32 divisors (see below), whose sum is σ = 383355979776. Its totient is φ = 136678969728.

The previous prime is 245371423337. The next prime is 245371423393. The reversal of 245371423353 is 353324173542.

It is a happy number.

It is not a de Polignac number, because 245371423353 - 24 = 245371423337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245371423393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184101 + ... + 724317.

It is an arithmetic number, because the mean of its divisors is an integer number (11979874368).

Almost surely, 2245371423353 is an apocalyptic number.

It is an amenable number.

245371423353 is a deficient number, since it is larger than the sum of its proper divisors (137984556423).

245371423353 is a wasteful number, since it uses less digits than its factorization.

245371423353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540773.

The product of its digits is 907200, while the sum is 42.

Adding to 245371423353 its reverse (353324173542), we get a palindrome (598695596895).

The spelling of 245371423353 in words is "two hundred forty-five billion, three hundred seventy-one million, four hundred twenty-three thousand, three hundred fifty-three".

Divisors: 1 3 7 21 43 129 301 503 903 1509 3521 10563 21629 64887 151403 454209 540217 1620651 3781519 11344557 23229331 69687993 162605317 271729151 487815951 815187453 1902104057 5706312171 11684353493 35053060479 81790474451 245371423353