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39976642070 = 2583238920161
BaseRepresentation
bin100101001110110010…
…110010011000010110
310211012001002211102222
4211032302302120112
51123333010021240
630210502102342
72613441564611
oct451662623026
9124161084388
1039976642070
1115a54854972
1278b811a9b2
133a012948c1
141d1344b178
15108e920eb5
hex94ecb2616

39976642070 has 32 divisors (see below), whose sum is σ = 72859016160. Its totient is φ = 15790602240.

The previous prime is 39976642051. The next prime is 39976642073. The reversal of 39976642070 is 7024667993.

It is a super-2 number, since 2×399766420702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976642073) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1972790 + ... + 1992950.

It is an arithmetic number, because the mean of its divisors is an integer number (2276844255).

Almost surely, 239976642070 is an apocalyptic number.

39976642070 is a deficient number, since it is larger than the sum of its proper divisors (32882374090).

39976642070 is a wasteful number, since it uses less digits than its factorization.

39976642070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22640.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 39976642070 in words is "thirty-nine billion, nine hundred seventy-six million, six hundred forty-two thousand, seventy".

Divisors: 1 2 5 10 83 166 415 830 2389 4778 11945 20161 23890 40322 100805 198287 201610 396574 991435 1673363 1982870 3346726 8366815 16733630 48164629 96329258 240823145 481646290 3997664207 7995328414 19988321035 39976642070