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6542166004 = 2211148685591
BaseRepresentation
bin1100001011111000…
…11000011111110100
3121212221020110121121
412011330120133310
5101344243303004
63001101153324
7321056331163
oct60574303764
917787213547
106542166004
112857978170
121326b5b844
138034c555a
14460c1d3da
1528452e854
hex185f187f4

6542166004 has 12 divisors (see below), whose sum is σ = 12489589728. Its totient is φ = 2973711800.

The previous prime is 6542165963. The next prime is 6542166031. The reversal of 6542166004 is 4006612456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74342752 + ... + 74342839.

It is an arithmetic number, because the mean of its divisors is an integer number (1040799144).

Almost surely, 26542166004 is an apocalyptic number.

It is an amenable number.

6542166004 is a deficient number, since it is larger than the sum of its proper divisors (5947423724).

6542166004 is a wasteful number, since it uses less digits than its factorization.

6542166004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148685606 (or 148685604 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 6542166004 is about 80883.6572120722. The cubic root of 6542166004 is about 1870.2823983706.

The spelling of 6542166004 in words is "six billion, five hundred forty-two million, one hundred sixty-six thousand, four".

Divisors: 1 2 4 11 22 44 148685591 297371182 594742364 1635541501 3271083002 6542166004