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10748914981 = 743611493929
BaseRepresentation
bin10100000001010111…
…10110110100100101
31000202002222110100021
422000223312310211
5134003210234411
64534334315141
7530240161360
oct120053666445
930662873307
1010748914981
114616533a12
1220bb958ab1
131023bc512c
1473d7d10d7
1542d9e3a71
hex280af6d25

10748914981 has 32 divisors (see below), whose sum is σ = 12865248000. Its totient is φ = 8789921280.

The previous prime is 10748914963. The next prime is 10748915017. The reversal of 10748914981 is 18941984701.

It is not a de Polignac number, because 10748914981 - 25 = 10748914949 is a prime.

It is a super-2 number, since 2×107489149812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10748914901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2733825 + ... + 2737753.

It is an arithmetic number, because the mean of its divisors is an integer number (402039000).

Almost surely, 210748914981 is an apocalyptic number.

It is an amenable number.

10748914981 is a deficient number, since it is larger than the sum of its proper divisors (2116333019).

10748914981 is a wasteful number, since it uses less digits than its factorization.

10748914981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 10748914981 in words is "ten billion, seven hundred forty-eight million, nine hundred fourteen thousand, nine hundred eighty-one".

Divisors: 1 7 43 61 149 301 427 1043 2623 3929 6407 9089 18361 27503 44849 63623 168947 239669 390827 585421 1182629 1677683 2735789 4097947 10305767 25173103 35710681 72140369 176211721 249974767 1535559283 10748914981