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10981359090 = 23251331302767
BaseRepresentation
bin10100011101000101…
…00011110111110010
31001100022100211201100
422032202203313302
5134442211442330
65013400345230
7536062004112
oct121642436762
931308324640
1010981359090
114725766689
122165775216
1310600cba20
1476261b042
1544410b060
hex28e8a3df2

10981359090 has 96 divisors (see below), whose sum is σ = 31739774976. Its totient is φ = 2615898240.

The previous prime is 10981359061. The next prime is 10981359119. The reversal of 10981359090 is 9095318901.

It is an interprime number because it is at equal distance from previous prime (10981359061) and next prime (10981359119).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115114 + ... + 187653.

It is an arithmetic number, because the mean of its divisors is an integer number (330622656).

Almost surely, 210981359090 is an apocalyptic number.

10981359090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10981359090 is an abundant number, since it is smaller than the sum of its proper divisors (20758415886).

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

10981359090 is a wasteful number, since it uses less digits than its factorization.

10981359090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302824 (or 302821 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 10981359090 in words is "ten billion, nine hundred eighty-one million, three hundred fifty-nine thousand, ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 31 39 45 62 65 78 90 93 117 130 155 186 195 234 279 310 390 403 465 558 585 806 930 1170 1209 1395 2015 2418 2790 3627 4030 6045 7254 12090 18135 36270 302767 605534 908301 1513835 1816602 2724903 3027670 3935971 4541505 5449806 7871942 9083010 9385777 11807913 13624515 18771554 19679855 23615826 27249030 28157331 35423739 39359710 46928885 56314662 59039565 70847478 84471993 93857770 118079130 122015101 140786655 168943986 177118695 244030202 281573310 354237390 366045303 422359965 610075505 732090606 844719930 1098135909 1220151010 1830226515 2196271818 3660453030 5490679545 10981359090