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30520200629987 = 1711833151720267
BaseRepresentation
bin1101111000010000010011…
…01101111000111011100011
311000001200222020221210120122
412330020021231320323203
513000020332330124422
6144524441524030455
76300004010652545
oct674101155707343
9130050866853518
1030520200629987
1197a75a9660882
12350b02953242b
1314050726ac903
1477728539d695
1537dd790a8d42
hex1bc209b78ee3

30520200629987 has 8 divisors (see below), whose sum is σ = 32318237727216. Its totient is φ = 28722466996992.

The previous prime is 30520200629951. The next prime is 30520200630011. The reversal of 30520200629987 is 78992600202503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30520200629987 - 232 = 30515905662691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30520290629987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75658973 + ... + 76061294.

It is an arithmetic number, because the mean of its divisors is an integer number (4039779715902).

Almost surely, 230520200629987 is an apocalyptic number.

30520200629987 is a deficient number, since it is larger than the sum of its proper divisors (1798037097229).

30520200629987 is a wasteful number, since it uses less digits than its factorization.

30520200629987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151732117.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 30520200629987 in words is "thirty trillion, five hundred twenty billion, two hundred million, six hundred twenty-nine thousand, nine hundred eighty-seven".

Divisors: 1 17 11833 201161 151720267 2579244539 1795305919411 30520200629987