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2005451412 = 2231271399467
BaseRepresentation
bin111011110001000…
…1100001010010100
312011202121111011020
41313202030022110
513101343421122
6530555441140
7100461025056
oct16742141224
95152544136
102005451412
1193a030368
1247b7561b0
1325c635753
141504b78d6
15bb0dcc5c
hex7788c294

2005451412 has 48 divisors (see below), whose sum is σ = 4750663680. Its totient is φ = 658379232.

The previous prime is 2005451407. The next prime is 2005451417. The reversal of 2005451412 is 2141545002.

It is an interprime number because it is at equal distance from previous prime (2005451407) and next prime (2005451417).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005451417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207103 + ... + 216569.

It is an arithmetic number, because the mean of its divisors is an integer number (98972160).

Almost surely, 22005451412 is an apocalyptic number.

It is an amenable number.

2005451412 is an abundant number, since it is smaller than the sum of its proper divisors (2745212268).

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

2005451412 is a wasteful number, since it uses less digits than its factorization.

2005451412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2005451412 is about 44782.2667135106. The cubic root of 2005451412 is about 1261.0647361943.

Adding to 2005451412 its reverse (2141545002), we get a palindrome (4146996414).

The spelling of 2005451412 in words is "two billion, five million, four hundred fifty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 127 139 254 278 381 417 508 556 762 834 1524 1668 9467 17653 18934 28401 35306 37868 52959 56802 70612 105918 113604 211836 1202309 1315913 2404618 2631826 3606927 3947739 4809236 5263652 7213854 7895478 14427708 15790956 167120951 334241902 501362853 668483804 1002725706 2005451412