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147248993420 = 2259775901543
BaseRepresentation
bin1000100100100010111…
…0010101010010001100
3112002002000221220021222
42021020232111102030
54403031220242140
6151351212542512
713431652535624
oct2111056252214
9462060856258
10147248993420
11574a22441a1
1224655481a38
1310b68647409
1471ac281884
153c6c3215b5
hex2248b9548c

147248993420 has 24 divisors (see below), whose sum is σ = 312410755104. Its totient is φ = 58292384256.

The previous prime is 147248993407. The next prime is 147248993443. The reversal of 147248993420 is 24399842741.

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, 37948832 + ... + 37952711.

It is an arithmetic number, because the mean of its divisors is an integer number (13017114796).

Almost surely, 2147248993420 is an apocalyptic number.

147248993420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147248993420 is an abundant number, since it is smaller than the sum of its proper divisors (165161761684).

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

147248993420 is a wasteful number, since it uses less digits than its factorization.

147248993420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75901649 (or 75901647 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 147248993420 in words is "one hundred forty-seven billion, two hundred forty-eight million, nine hundred ninety-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 75901543 151803086 303606172 379507715 759015430 1518030860 7362449671 14724899342 29449798684 36812248355 73624496710 147248993420