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10202120011112 = 231775015588317
BaseRepresentation
bin1001010001110101110110…
…1111010011110101101000
31100010022110021200122211212
42110131131233103311220
52314122420210323422
633410442250212252
72102036021161601
oct224353557236550
940108407618755
1010202120011112
113283770860a17
1211892a5424088
13590095750a33
14273adc9c8da8
1512a5a95839e2
hex9475dbd3d68

10202120011112 has 16 divisors (see below), whose sum is σ = 20254208845860. Its totient is φ = 4800997652224.

The previous prime is 10202120011103. The next prime is 10202120011207. The reversal of 10202120011112 is 21111002120201.

It can be written as a sum of positive squares in 2 ways, for example, as 9888974566276 + 313145444836 = 3144674^2 + 559594^2 .

It is a super-2 number, since 2×102021200111122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37507794023 + ... + 37507794294.

Almost surely, 210202120011112 is an apocalyptic number.

It is an amenable number.

10202120011112 is a deficient number, since it is larger than the sum of its proper divisors (10052088834748).

10202120011112 is a wasteful number, since it uses less digits than its factorization.

10202120011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75015588340 (or 75015588336 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202120011112 its reverse (21111002120201), we get a palindrome (31313122131313).

The spelling of 10202120011112 in words is "ten trillion, two hundred two billion, one hundred twenty million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 75015588317 150031176634 300062353268 600124706536 1275265001389 2550530002778 5101060005556 10202120011112