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207420147534 = 23120977285757
BaseRepresentation
bin1100000100101100110…
…1000100011101001110
3201211101110121020100110
43001023031010131032
511344244024210114
6235142033340450
720662031110125
oct3011315043516
9654343536313
10207420147534
117aa6a2a1936
1234248707726
131673769c012
14a079768abc
1555dead1759
hex304b34474e

207420147534 has 16 divisors (see below), whose sum is σ = 414845175888. Its totient is φ = 69139235712.

The previous prime is 207420147481. The next prime is 207420147577. The reversal of 207420147534 is 435741024702.

It is a junction number, because it is equal to n+sod(n) for n = 207420147492 and 207420147501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582984 + ... + 868740.

It is an arithmetic number, because the mean of its divisors is an integer number (25927823493).

Almost surely, 2207420147534 is an apocalyptic number.

207420147534 is an abundant number, since it is smaller than the sum of its proper divisors (207425028354).

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

207420147534 is a wasteful number, since it uses less digits than its factorization.

207420147534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406739.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 207420147534 in words is "two hundred seven billion, four hundred twenty million, one hundred forty-seven thousand, five hundred thirty-four".

Divisors: 1 2 3 6 120977 241954 285757 362931 571514 725862 857271 1714542 34570024589 69140049178 103710073767 207420147534