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19307342248768 = 267229023212131
BaseRepresentation
bin1000110001111010101110…
…10001101011101101000000
32112100202121212200222202101
410120331113101223231000
510012312414103430033
6105021400502400144
74031623640206300
oct430752721535500
975322555628671
1019307342248768
11617421a3a3632
1221b9a85a30054
13aa08a0020ac2
144aa6a2123600
1523736569e97d
hex118f5746bb40

19307342248768 has 84 divisors (see below), whose sum is σ = 44569937857152. Its totient is φ = 8274251139840.

The previous prime is 19307342248763. The next prime is 19307342248781. The reversal of 19307342248768 is 86784224370391.

It is a super-2 number, since 2×193073422487682 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19307342248763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90910063 + ... + 91122193.

Almost surely, 219307342248768 is an apocalyptic number.

It is an amenable number.

19307342248768 is an abundant number, since it is smaller than the sum of its proper divisors (25262595608384).

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

19307342248768 is a wasteful number, since it uses less digits than its factorization.

19307342248768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241180 (or 241163 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 19307342248768 in words is "nineteen trillion, three hundred seven billion, three hundred forty-two million, two hundred forty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 29023 58046 116092 203161 212131 232184 406322 424262 464368 812644 848524 928736 1422127 1484917 1625288 1697048 1857472 2844254 2969834 3250576 3394096 5688508 5939668 6501152 6788192 10394419 11377016 11879336 13002304 13576384 20788838 22754032 23758672 41577676 45508064 47517344 83155352 91016128 95034688 166310704 332621408 665242816 6156678013 12313356026 24626712052 43096746091 49253424104 86193492182 98506848208 172386984364 197013696416 301677222637 344773968728 394027392832 603354445274 689547937456 1206708890548 1379095874912 2413417781096 2758191749824 4826835562192 9653671124384 19307342248768