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1020212007 = 31761353929
BaseRepresentation
bin111100110011110…
…011001100100111
32122002201010202220
4330303303030213
54042133241012
6245122403423
734165442013
oct7463631447
92562633686
101020212007
11483979421
12245800573
13133495c59
14996cd543
155e87508c
hex3ccf3327

1020212007 has 32 divisors (see below), whose sum is σ = 1469638080. Its totient is φ = 627179520.

The previous prime is 1020211991. The next prime is 1020212029. The reversal of 1020212007 is 7002120201.

It is not a de Polignac number, because 1020212007 - 24 = 1020211991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097719 + ... + 1098647.

It is an arithmetic number, because the mean of its divisors is an integer number (45926190).

Almost surely, 21020212007 is an apocalyptic number.

1020212007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1020212007 is a deficient number, since it is larger than the sum of its proper divisors (449426073).

1020212007 is a wasteful number, since it uses less digits than its factorization.

1020212007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1020212007 is about 31940.7577712239. The cubic root of 1020212007 is about 1006.6924469054.

Adding to 1020212007 its reverse (7002120201), we get a palindrome (8022332208).

The spelling of 1020212007 in words is "one billion, twenty million, two hundred twelve thousand, seven".

Divisors: 1 3 17 51 61 183 353 929 1037 1059 2787 3111 6001 15793 18003 21533 47379 56669 64599 170007 327937 366061 963373 983811 1098183 2890119 5574929 16724787 20004157 60012471 340070669 1020212007