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212430123033040 = 24511454219531457
BaseRepresentation
bin110000010011010000111110…
…000001011110000111010000
31000212011010021112002011100001
4300103100332001132013100
5210320423342444024130
62031445015024535344
762513366323643023
oct6023207601360720
91025133245064301
10212430123033040
1161761122457080
121b9aa46a481554
13916c0c7ccb4b3
143a6595c2b91ba
151985bdd1d66ca
hexc1343e05e1d0

212430123033040 has 80 divisors (see below), whose sum is σ = 538802239360320. Its totient is φ = 77247002050560.

The previous prime is 212430123033017. The next prime is 212430123033061. The reversal of 212430123033040 is 40330321034212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399446992 + ... + 399978448.

It is an arithmetic number, because the mean of its divisors is an integer number (6735027992004).

Almost surely, 2212430123033040 is an apocalyptic number.

212430123033040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212430123033040 is an abundant number, since it is smaller than the sum of its proper divisors (326372116327280).

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

212430123033040 is a wasteful number, since it uses less digits than its factorization.

212430123033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985700 (or 985694 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 212430123033040 its reverse (40330321034212), we get a palindrome (252760444067252).

The spelling of 212430123033040 in words is "two hundred twelve trillion, four hundred thirty billion, one hundred twenty-three million, thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 454219 531457 908438 1062914 1816876 2125828 2271095 2657285 3633752 4251656 4542190 4996409 5314570 5846027 7267504 8503312 9084380 9992818 10629140 11692054 18168760 19985636 21258280 23384108 24982045 29230135 36337520 39971272 42516560 46768216 49964090 58460270 79942544 93536432 99928180 116920540 199856360 233841080 399712720 467682160 241397867083 482795734166 965591468332 1206989335415 1931182936664 2413978670830 2655376537913 3862365873328 4827957341660 5310753075826 9655914683320 10621506151652 13276882689565 19311829366640 21243012303304 26553765379130 42486024606608 53107530758260 106215061516520 212430123033040