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151361205225 = 3524742939349
BaseRepresentation
bin1000110011110111010…
…1001011001111101001
3112110200121210220101220
42030331311023033221
54434441432031400
6153311231532253
713635605005416
oct2147565131751
9473617726356
10151361205225
11592124aa84a
122540268a089
1311372596b39
14747c48510d
153e0d35e7a0
hex233dd4b3e9

151361205225 has 24 divisors (see below), whose sum is σ = 255575011200. Its totient is φ = 79008400320.

The previous prime is 151361205209. The next prime is 151361205301. The reversal of 151361205225 is 522502163151.

It is not a de Polignac number, because 151361205225 - 24 = 151361205209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21466150 + ... + 21473199.

It is an arithmetic number, because the mean of its divisors is an integer number (10648958800).

Almost surely, 2151361205225 is an apocalyptic number.

151361205225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151361205225 is a deficient number, since it is larger than the sum of its proper divisors (104213805975).

151361205225 is a wasteful number, since it uses less digits than its factorization.

151361205225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42939409 (or 42939404 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 151361205225 its reverse (522502163151), we get a palindrome (673863368376).

The spelling of 151361205225 in words is "one hundred fifty-one billion, three hundred sixty-one million, two hundred five thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 47 75 141 235 705 1175 3525 42939349 128818047 214696745 644090235 1073483725 2018149403 3220451175 6054448209 10090747015 30272241045 50453735075 151361205225