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1001052140 = 2251117267661
BaseRepresentation
bin111011101010101…
…101011111101100
32120202122201101012
4323222231133230
54022232132030
6243200004352
733543542234
oct7352553754
92522581335
101001052140
11474082320
1223b3006b8
1312c51805a
1496d42cc4
155cd3d095
hex3baad7ec

1001052140 has 48 divisors (see below), whose sum is σ = 2428229664. Its totient is φ = 342604800.

The previous prime is 1001052133. The next prime is 1001052163. The reversal of 1001052140 is 412501001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130091 + ... + 137570.

It is an arithmetic number, because the mean of its divisors is an integer number (50588118).

Almost surely, 21001052140 is an apocalyptic number.

1001052140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001052140 is an abundant number, since it is smaller than the sum of its proper divisors (1427177524).

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

1001052140 is a wasteful number, since it uses less digits than its factorization.

1001052140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267698 (or 267696 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1001052140 is about 31639.4080222750. The cubic root of 1001052140 is about 1000.3505904053.

Adding to 1001052140 its reverse (412501001), we get a palindrome (1413553141).

The spelling of 1001052140 in words is "one billion, one million, fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 267661 535322 1070644 1338305 2676610 2944271 4550237 5353220 5888542 9100474 11777084 14721355 18200948 22751185 29442710 45502370 50052607 58885420 91004740 100105214 200210428 250263035 500526070 1001052140