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2642042664660 = 2235731183201731
BaseRepresentation
bin100110011100100110000…
…000111011011011010100
3100100120120111101120002110
4212130212000323123110
5321241400410232120
65341423155311020
7361611165052320
oct46344600733324
910316514346073
102642042664660
1192953622a633
123680668ab470
131621b3508b39
1491c38704980
1548ad3d212e0
hex2672603b6d4

2642042664660 has 96 divisors (see below), whose sum is σ = 8454849564672. Its totient is φ = 603873106560.

The previous prime is 2642042664649. The next prime is 2642042664683. The reversal of 2642042664660 is 664662402462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12995995 + ... + 13197725.

It is an arithmetic number, because the mean of its divisors is an integer number (88071349632).

Almost surely, 22642042664660 is an apocalyptic number.

2642042664660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642042664660 is an abundant number, since it is smaller than the sum of its proper divisors (5812806900012).

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

2642042664660 is a wasteful number, since it uses less digits than its factorization.

2642042664660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232933 (or 232931 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 2642042664660 in words is "two trillion, six hundred forty-two billion, forty-two million, six hundred sixty-four thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 31183 62366 93549 124732 155915 187098 201731 218281 311830 374196 403462 436562 467745 605193 623660 654843 806924 873124 935490 1008655 1091405 1210386 1309686 1412117 1870980 2017310 2182810 2420772 2619372 2824234 3025965 3274215 4034620 4236351 4365620 5648468 6051930 6548430 7060585 8472702 12103860 13096860 14121170 16945404 21181755 28242340 42363510 84727020 6290577773 12581155546 18871733319 25162311092 31452888865 37743466638 44034044411 62905777730 75486933276 88068088822 94358666595 125811555460 132102133233 176136177644 188717333190 220170222055 264204266466 377434666380 440340444110 528408532932 660510666165 880680888220 1321021332330 2642042664660