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2621141152240 = 245132569340723
BaseRepresentation
bin100110001001001000001…
…011111111000111110000
3100021120121211111201021211
4212021020023333013300
5320421044113332430
65324045143325504
7360241215120322
oct46111013770760
910246554451254
102621141152240
1192068a935a26
12363bb2a50894
13160232128300
1490c147cb612
15482add7a72a
hex262482ff1f0

2621141152240 has 120 divisors (see below), whose sum is σ = 6610611201840. Its totient is φ = 966102239232.

The previous prime is 2621141152159. The next prime is 2621141152241. The reversal of 2621141152240 is 422511411262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621141152241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7522519 + ... + 7863241.

It is an arithmetic number, because the mean of its divisors is an integer number (55088426682).

Almost surely, 22621141152240 is an apocalyptic number.

2621141152240 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 2621141152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305305600920).

2621141152240 is an abundant number, since it is smaller than the sum of its proper divisors (3989470049600).

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

2621141152240 is a wasteful number, since it uses less digits than its factorization.

2621141152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341331 (or 341312 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 2621141152240 in words is "two trillion, six hundred twenty-one billion, one hundred forty-one million, one hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 169 208 260 338 520 569 676 845 1040 1138 1352 1690 2276 2704 2845 3380 4552 5690 6760 7397 9104 11380 13520 14794 22760 29588 36985 45520 59176 73970 96161 118352 147940 192322 295880 340723 384644 480805 591760 681446 769288 961610 1362892 1538576 1703615 1923220 2725784 3407230 3846440 4429399 5451568 6814460 7692880 8858798 13628920 17717596 22146995 27257840 35435192 44293990 57582187 70870384 88587980 115164374 177175960 193871387 230328748 287910935 354351920 387742774 460657496 575821870 775485548 921314992 969356935 1151643740 1550971096 1938713870 2303287480 2520328031 3101942192 3877427740 4606574960 5040656062 7754855480 10081312124 12601640155 15509710960 20162624248 25203280310 32764264403 40325248496 50406560620 65528528806 100813121240 131057057612 163821322015 201626242480 262114115224 327642644030 524228230448 655285288060 1310570576120 2621141152240