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1341631720 = 2351113792969
BaseRepresentation
bin100111111110111…
…1010110011101000
310110111111221201201
41033331322303220
510221424203340
6341043453544
745150452512
oct11775726350
93414457651
101341631720
11629352850
123153872b4
13184c53430
14ca27abb2
157cbb579a
hex4ff7ace8

1341631720 has 128 divisors (see below), whose sum is σ = 3592512000. Its totient is φ = 444487680.

The previous prime is 1341631673. The next prime is 1341631747. The reversal of 1341631720 is 271361431.

It is a super-2 number, since 2×13416317202 = 3599951344220316800, which contains 22 as substring.

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, 450396 + ... + 453364.

It is an arithmetic number, because the mean of its divisors is an integer number (28066500).

Almost surely, 21341631720 is an apocalyptic number.

1341631720 is a gapful number since it is divisible by the number (10) 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 1341631720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796256000).

1341631720 is an abundant number, since it is smaller than the sum of its proper divisors (2250880280).

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

1341631720 is a wasteful number, since it uses less digits than its factorization.

1341631720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1341631720 is about 36628.2912514357. The cubic root of 1341631720 is about 1102.9210845865.

The spelling of 1341631720 in words is "one billion, three hundred forty-one million, six hundred thirty-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 79 88 104 110 130 143 158 220 260 286 316 395 440 520 572 632 715 790 869 1027 1144 1430 1580 1738 2054 2860 2969 3160 3476 4108 4345 5135 5720 5938 6952 8216 8690 10270 11297 11876 14845 17380 20540 22594 23752 29690 32659 34760 38597 41080 45188 56485 59380 65318 77194 90376 112970 118760 130636 154388 163295 192985 225940 234551 261272 308776 326590 385970 424567 451880 469102 653180 771940 849134 938204 1172755 1306360 1543880 1698268 1876408 2122835 2345510 2580061 3049163 3396536 4245670 4691020 5160122 6098326 8491340 9382040 10320244 12196652 12900305 15245815 16982680 20640488 24393304 25800610 30491630 33540793 51601220 60983260 67081586 103202440 121966520 134163172 167703965 268326344 335407930 670815860 1341631720