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39970350500 = 225379940701
BaseRepresentation
bin100101001110011010…
…110010010110100100
310211011121021012000212
4211032122302112210
51123324402204000
630210115154552
72613334242053
oct451632622644
9124147235025
1039970350500
1115a51247a23
1278b5ba5a58
1339ccba0c92
141d1269039a
15108e0cbc35
hex94e6b25a4

39970350500 has 24 divisors (see below), whose sum is σ = 87295246584. Its totient is φ = 15988140000.

The previous prime is 39970350499. The next prime is 39970350503. The reversal of 39970350500 is 505307993.

It can be written as a sum of positive squares in 4 ways, for example, as 9061897636 + 30908452864 = 95194^2 + 175808^2 .

It is not an unprimeable number, because it can be changed into a prime (39970350503) 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 7 ways as a sum of consecutive naturals, for example, 39969851 + ... + 39970850.

It is an arithmetic number, because the mean of its divisors is an integer number (3637301941).

Almost surely, 239970350500 is an apocalyptic number.

It is an amenable number.

39970350500 is an abundant number, since it is smaller than the sum of its proper divisors (47324896084).

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

39970350500 is a wasteful number, since it uses less digits than its factorization.

39970350500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79940720 (or 79940708 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 41.

The spelling of 39970350500 in words is "thirty-nine billion, nine hundred seventy million, three hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 79940701 159881402 319762804 399703505 799407010 1598814020 1998517525 3997035050 7994070100 9992587625 19985175250 39970350500