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2661012116060 = 225378952177551
BaseRepresentation
bin100110101110010000101…
…011101001001001011100
3100102101112111202112102112
4212232100223221021130
5322044223100203220
65354241352413152
7363152234533334
oct46562053511134
910371474675375
102661012116060
1193658aa701a1
1236b87b6a71b8
13163c1753b9ac
1492b17baa0c4
15493443745c5
hex26b90ae925c

2661012116060 has 96 divisors (see below), whose sum is σ = 5814855164160. Its totient is φ = 1022022144000.

The previous prime is 2661012116053. The next prime is 2661012116071. The reversal of 2661012116060 is 606112101662.

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, 34274285 + ... + 34351835.

It is an arithmetic number, because the mean of its divisors is an integer number (60571407960).

Almost surely, 22661012116060 is an apocalyptic number.

2661012116060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2661012116060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907427582080).

2661012116060 is an abundant number, since it is smaller than the sum of its proper divisors (3153843048100).

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

2661012116060 is a wasteful number, since it uses less digits than its factorization.

2661012116060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78207 (or 78205 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 2661012116060 in words is "two trillion, six hundred sixty-one billion, twelve million, one hundred sixteen thousand, sixty".

Divisors: 1 2 4 5 10 20 37 74 89 148 178 185 356 370 445 521 740 890 1042 1780 2084 2605 3293 5210 6586 10420 13172 16465 19277 32930 38554 46369 65860 77108 77551 92738 96385 155102 185476 192770 231845 310204 385540 387755 463690 775510 927380 1551020 1715653 2869387 3431306 5738774 6862612 6902039 8578265 11477548 13804078 14346935 17156530 27608156 28693870 34313060 34510195 40404071 57387740 69020390 80808142 138040780 161616284 202020355 255375443 404040710 510750886 808081420 1021501772 1276877215 1494950627 2553754430 2989901254 3595962319 5107508860 5979802508 7191924638 7474753135 14383849276 14949506270 17979811595 29899012540 35959623190 71919246380 133050605803 266101211606 532202423212 665253029015 1330506058030 2661012116060