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80581385041170 = 235131714598330401
BaseRepresentation
bin10010010100100111010000…
…110101001011010100010010
3101120022111122021101012011120
4102110213100311023110102
541030221134032304140
6443214324403423110
722654545561332346
oct2224472065132422
9346274567335146
1080581385041170
1123748412115642
129055266984a96
1335c6a3b056890
1415c823488d626
1594b1904281d0
hex4949d0d4b512

80581385041170 has 128 divisors (see below), whose sum is σ = 220674348276480. Its totient is φ = 18655830835200.

The previous prime is 80581385041163. The next prime is 80581385041181. The reversal of 80581385041170 is 7114058318508.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5507970 + ... + 13838370.

It is an arithmetic number, because the mean of its divisors is an integer number (1724018345910).

Almost surely, 280581385041170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80581385041170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110337174138240).

80581385041170 is an abundant number, since it is smaller than the sum of its proper divisors (140092963235310).

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

80581385041170 is a wasteful number, since it uses less digits than its factorization.

80581385041170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331900.

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 80581385041170 in words is "eighty trillion, five hundred eighty-one billion, three hundred eighty-five million, forty-one thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 255 390 442 510 663 1105 1326 1459 2210 2918 3315 4377 6630 7295 8754 14590 18967 21885 24803 37934 43770 49606 56901 74409 94835 113802 124015 148818 189670 248030 284505 322439 372045 569010 644878 744090 967317 1612195 1934634 3224390 4836585 8330401 9673170 16660802 24991203 41652005 49982406 83304010 108295213 124956015 141616817 216590426 249912030 283233634 324885639 424850451 541476065 649771278 708084085 849700902 1082952130 1416168170 1624428195 1841018621 2124252255 3248856390 3682037242 4248504510 5523055863 9205093105 11046111726 12154055059 18410186210 24308110118 27615279315 36462165177 55230558630 60770275295 72924330354 121540550590 158002715767 182310825885 206618936003 316005431534 364621651770 413237872006 474008147301 619856808009 790013578835 948016294602 1033094680015 1239713616018 1580027157670 2066189360030 2370040736505 2686046168039 3099284040045 4740081473010 5372092336078 6198568080090 8058138504117 13430230840195 16116277008234 26860461680390 40290692520585 80581385041170