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1371028742 = 210122133067
BaseRepresentation
bin101000110111000…
…0011110100000110
310112112211110212022
41101232003310012
510301440404432
6344013523142
745655360226
oct12156036406
93475743768
101371028742
11643a01206
123231a34b2
1318b076b15
14d0130086
1580570b12
hex51b83d06

1371028742 has 16 divisors (see below), whose sum is σ = 2078520912. Its totient is φ = 678199200.

The previous prime is 1371028717. The next prime is 1371028783. The reversal of 1371028742 is 2478201731.

It is a super-2 number, since 2×13710287422 = 3759439622780205128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445493 + ... + 448559.

It is an arithmetic number, because the mean of its divisors is an integer number (129907557).

Almost surely, 21371028742 is an apocalyptic number.

1371028742 is a deficient number, since it is larger than the sum of its proper divisors (707492170).

1371028742 is a wasteful number, since it uses less digits than its factorization.

1371028742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1371028742 is about 37027.4052831143. The cubic root of 1371028742 is about 1110.9184676823.

The spelling of 1371028742 in words is "one billion, three hundred seventy-one million, twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 101 202 2213 3067 4426 6134 223513 309767 447026 619534 6787271 13574542 685514371 1371028742