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145241215240236 = 223411942915194077
BaseRepresentation
bin100001000001100010011011…
…000010101000100000101100
3201001020220222000101111012220
4201001202123002220200230
5123014113002100141421
61232522520531155340
742410221465540413
oct4101423302504054
9631226860344186
10145241215240236
11423074a9632a15
1214358879145b50
13630725987563b
1427c19d889c47a
1511bd0cd6b53c6
hex84189b0a882c

145241215240236 has 48 divisors (see below), whose sum is σ = 347179820195040. Its totient is φ = 47230481364480.

The previous prime is 145241215240229. The next prime is 145241215240249. The reversal of 145241215240236 is 632042512142541.

It is a super-2 number, since 2×1452412152402362 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962030 + ... + 17156106.

It is an arithmetic number, because the mean of its divisors is an integer number (7232912920730).

Almost surely, 2145241215240236 is an apocalyptic number.

It is an amenable number.

145241215240236 is an abundant number, since it is smaller than the sum of its proper divisors (201938604954804).

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

145241215240236 is a wasteful number, since it uses less digits than its factorization.

145241215240236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15213554 (or 15213552 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 145241215240236 its reverse (632042512142541), we get a palindrome (777283727382777).

The spelling of 145241215240236 in words is "one hundred forty-five trillion, two hundred forty-one billion, two hundred fifteen million, two hundred forty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 19429 38858 58287 77716 116574 233148 796589 1593178 2389767 3186356 4779534 9559068 15194077 30388154 45582231 60776308 91164462 182328924 622957157 1245914314 1868871471 2491828628 3737742942 7475485884 295205722033 590411444066 885617166099 1180822888132 1771234332198 3542468664396 12103434603353 24206869206706 36310303810059 48413738413412 72620607620118 145241215240236