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312340222302040 = 23575431103518521
BaseRepresentation
bin100011100000100100101111…
…1111111111101011101011000
31111221220102201010022100222001
41013001021133333331131120
5311414340233402131130
63024143041155010344
7122534556610400602
oct10701113777753530
91457812633270861
10312340222302040
1190580820884459
122b0457645999b4
1310538730a6b00a
14571b4c1470172
152619a451d76ca
hex11c125fffd758

312340222302040 has 32 divisors (see below), whose sum is σ = 702774823635360. Its totient is φ = 124934431417600.

The previous prime is 312340222301977. The next prime is 312340222302067. The reversal of 312340222302040 is 40203222043213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48742021 + ... + 54776500.

It is an arithmetic number, because the mean of its divisors is an integer number (21961713238605).

Almost surely, 2312340222302040 is an apocalyptic number.

It is an amenable number.

312340222302040 is an abundant number, since it is smaller than the sum of its proper divisors (390434601333320).

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

312340222302040 is a wasteful number, since it uses less digits than its factorization.

312340222302040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103593963 (or 103593959 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312340222302040 its reverse (40203222043213), we get a palindrome (352543444345253).

The spelling of 312340222302040 in words is "three hundred twelve trillion, three hundred forty billion, two hundred twenty-two million, three hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 75431 150862 301724 377155 603448 754310 1508620 3017240 103518521 207037042 414074084 517592605 828148168 1035185210 2070370420 4140740840 7808505557551 15617011115102 31234022230204 39042527787755 62468044460408 78085055575510 156170111151020 312340222302040