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151563512540 = 22511688925057
BaseRepresentation
bin1000110100100111100…
…0111010101011011100
3112111012201111011212102
42031021320322223130
54440400224400130
6153343300024232
713643612412566
oct2151170725334
9474181434772
10151563512540
1159306719280
122545a392078
13113a547b3cb
14749b2a8336
153e20ec2645
hex2349e3aadc

151563512540 has 24 divisors (see below), whose sum is σ = 347218229232. Its totient is φ = 55114004480.

The previous prime is 151563512531. The next prime is 151563512591. The reversal of 151563512540 is 45215365151.

It is a junction number, because it is equal to n+sod(n) for n = 151563512494 and 151563512503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344462309 + ... + 344462748.

It is an arithmetic number, because the mean of its divisors is an integer number (14467426218).

Almost surely, 2151563512540 is an apocalyptic number.

151563512540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151563512540 is an abundant number, since it is smaller than the sum of its proper divisors (195654716692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151563512540 is a wasteful number, since it uses less digits than its factorization.

151563512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688925077 (or 688925075 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 151563512540 its reverse (45215365151), we get a palindrome (196778877691).

The spelling of 151563512540 in words is "one hundred fifty-one billion, five hundred sixty-three million, five hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 688925057 1377850114 2755700228 3444625285 6889250570 7578175627 13778501140 15156351254 30312702508 37890878135 75781756270 151563512540