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20770167612 = 22371731073121
BaseRepresentation
bin10011010101111111…
…111001101100111100
31222121111201211121010
4103111333321230330
5320014130330422
613313000435220
71333463340345
oct232577715474
958544654533
1020770167612
118899244387
124037a78b10
131c60113c0c
1410106c70cc
1581869db0c
hex4d5ff9b3c

20770167612 has 96 divisors (see below), whose sum is σ = 50301264384. Its totient is φ = 6667315200.

The previous prime is 20770167563. The next prime is 20770167643. The reversal of 20770167612 is 21676107702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6653412 + ... + 6656532.

It is an arithmetic number, because the mean of its divisors is an integer number (523971504).

Almost surely, 220770167612 is an apocalyptic number.

It is an amenable number.

20770167612 is an abundant number, since it is smaller than the sum of its proper divisors (29531096772).

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

20770167612 is a wasteful number, since it uses less digits than its factorization.

20770167612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 20770167612 in words is "twenty billion, seven hundred seventy million, one hundred sixty-seven thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 71 73 107 142 146 213 214 219 284 292 321 426 428 438 642 852 876 1284 3121 5183 6242 7597 7811 9363 10366 12484 15194 15549 15622 18726 20732 22791 23433 30388 31098 31244 37452 45582 46866 62196 91164 93732 221591 227833 333947 443182 455666 554581 664773 667894 683499 886364 911332 1001841 1109162 1329546 1335788 1366998 1663743 2003682 2218324 2659092 2733996 3327486 4007364 6654972 16176143 23710237 24378131 32352286 47420474 48528429 48756262 64704572 71130711 73134393 94840948 97056858 97512524 142261422 146268786 194113716 284522844 292537572 1730847301 3461694602 5192541903 6923389204 10385083806 20770167612