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630746136207212 = 222621122957489299
BaseRepresentation
bin1000111101101010010000011…
…1011001000101111101101100
310001201021202000201111111021112
42033122210013121011331230
51130133121041332112322
610113252435204051152
7246566622152034554
oct21732440731057554
93051252021444245
10630746136207212
11172a7aa30409a63
125a8aa9b0993ab8
13210c414a813cac
14b1a83c1034164
154cdc24b5c65e2
hex23da907645f6c

630746136207212 has 24 divisors (see below), whose sum is σ = 1104238114887600. Its totient is φ = 315249534413120.

The previous prime is 630746136207211. The next prime is 630746136207217. The reversal of 630746136207212 is 212702631647036.

It is not an unprimeable number, because it can be changed into a prime (630746136207211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288836539 + ... + 1289325837.

It is an arithmetic number, because the mean of its divisors is an integer number (46009921453650).

Almost surely, 2630746136207212 is an apocalyptic number.

It is an amenable number.

630746136207212 is a deficient number, since it is larger than the sum of its proper divisors (473491978680388).

630746136207212 is a wasteful number, since it uses less digits than its factorization.

630746136207212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614881 (or 614879 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 630746136207212 in words is "six hundred thirty trillion, seven hundred forty-six billion, one hundred thirty-six million, two hundred seven thousand, two hundred twelve".

Divisors: 1 2 4 2621 5242 10484 122957 245914 489299 491828 978598 1957196 322270297 644540594 1282452679 1289081188 2564905358 5129810716 60162737143 120325474286 240650948572 157686534051803 315373068103606 630746136207212