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11210001988 = 2216903165799
BaseRepresentation
bin10100111000010101…
…10000111001000100
31001221020121002210211
422130022300321010
5140424230030423
65052205125204
7544536305353
oct123412607104
931836532724
1011210001988
114832832459
12220a259804
1310985a4393
14784b3799a
1545922210d
hex29c2b0e44

11210001988 has 12 divisors (see below), whose sum is σ = 19618782400. Its totient is φ = 5604635592.

The previous prime is 11210001973. The next prime is 11210001989. The reversal of 11210001988 is 88910001211.

It is not an unprimeable number, because it can be changed into a prime (11210001989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15288 + ... + 150511.

Almost surely, 211210001988 is an apocalyptic number.

It is an amenable number.

11210001988 is a deficient number, since it is larger than the sum of its proper divisors (8408780412).

11210001988 is a wasteful number, since it uses less digits than its factorization.

11210001988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182706 (or 182704 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 11210001988 in words is "eleven billion, two hundred ten million, one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 16903 33806 67612 165799 331598 663196 2802500497 5605000994 11210001988