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1001002012010 = 25721113101141443
BaseRepresentation
bin11101001000100000101…
…11101000110101101010
310112200202112212220112222
432210100113220311222
5112400023003341020
62043504243034042
7132214522466600
oct16442027506552
93480675786488
101001002012010
113565825a33a0
1214200166b922
1373517a5b760
143663d559870
151b0896e3b25
hexe9105e8d6a

1001002012010 has 192 divisors, whose sum is σ = 2486802777984. Its totient is φ = 285147072000.

The previous prime is 1001002011983. The next prime is 1001002012013. The reversal of 1001002012010 is 102102001001.

It is not an unprimeable number, because it can be changed into a prime (1001002012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7006349 + ... + 7147791.

It is an arithmetic number, because the mean of its divisors is an integer number (12952097802).

Almost surely, 21001002012010 is an apocalyptic number.

1001002012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001002012010 is an abundant number, since it is smaller than the sum of its proper divisors (1485800765974).

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

1001002012010 is a wasteful number, since it uses less digits than its factorization.

1001002012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141589 (or 141582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001002012010 its reverse (102102001001), we get a palindrome (1103104013011).

The spelling of 1001002012010 in words is "one trillion, one billion, two million, twelve thousand, ten".